Home / 157,560.12-217,438.02-85,943.16

Finding the Fourth Proportional to 157,560.12, 217,438.02 and 85,943.16

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Solution

The fourth proportional to 157,560.12, 217,438.02 and 85,943.16 is: 118,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,560.12 : 217,438.02 = 85,943.16 : x
  2. Step 2: Convert to fraction form
    157,560.12/217,438.02 = 85,943.16/x
  3. Step 3: Cross multiply
    157,560.12x = 217,438.02 × 85,943.16
  4. Step 4: Simplify right side
    157,560.12x = 18,687,310,542.94
  5. Step 5: Solve for x
    x = 18,687,310,542.94/157,560.12
  6. Step 6: Final answer
    x = 118,604.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.