Home / 541,285.20-811,927.80-167,307.60

Finding the Fourth Proportional to 541,285.20, 811,927.80 and 167,307.60

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Solution

The fourth proportional to 541,285.20, 811,927.80 and 167,307.60 is: 250,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,285.20 : 811,927.80 = 167,307.60 : x
  2. Step 2: Convert to fraction form
    541,285.20/811,927.80 = 167,307.60/x
  3. Step 3: Cross multiply
    541,285.20x = 811,927.80 × 167,307.60
  4. Step 4: Simplify right side
    541,285.20x = 135,841,691,591.28
  5. Step 5: Solve for x
    x = 135,841,691,591.28/541,285.20
  6. Step 6: Final answer
    x = 250,961.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.