Home / 541,284.80-811,927.20-167,345.60

Finding the Fourth Proportional to 541,284.80, 811,927.20 and 167,345.60

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Solution

The fourth proportional to 541,284.80, 811,927.20 and 167,345.60 is: 251,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,284.80 : 811,927.20 = 167,345.60 : x
  2. Step 2: Convert to fraction form
    541,284.80/811,927.20 = 167,345.60/x
  3. Step 3: Cross multiply
    541,284.80x = 811,927.20 × 167,345.60
  4. Step 4: Simplify right side
    541,284.80x = 135,872,444,440.32
  5. Step 5: Solve for x
    x = 135,872,444,440.32/541,284.80
  6. Step 6: Final answer
    x = 251,018.40

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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.