Home / 651,471.66-977,207.76-178,121.16

Finding the Fourth Proportional to 651,471.66, 977,207.76 and 178,121.16

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Solution

The fourth proportional to 651,471.66, 977,207.76 and 178,121.16 is: 267,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,471.66 : 977,207.76 = 178,121.16 : x
  2. Step 2: Convert to fraction form
    651,471.66/977,207.76 = 178,121.16/x
  3. Step 3: Cross multiply
    651,471.66x = 977,207.76 × 178,121.16
  4. Step 4: Simplify right side
    651,471.66x = 174,061,379,772.20
  5. Step 5: Solve for x
    x = 174,061,379,772.20/651,471.66
  6. Step 6: Final answer
    x = 267,181.81

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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.