Home / 157,470.10-235,629.15-115,998.10

Finding the Fourth Proportional to 157,470.10, 235,629.15 and 115,998.10

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Solution

The fourth proportional to 157,470.10, 235,629.15 and 115,998.10 is: 173,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,470.10 : 235,629.15 = 115,998.10 : x
  2. Step 2: Convert to fraction form
    157,470.10/235,629.15 = 115,998.10/x
  3. Step 3: Cross multiply
    157,470.10x = 235,629.15 × 115,998.10
  4. Step 4: Simplify right side
    157,470.10x = 27,332,533,704.62
  5. Step 5: Solve for x
    x = 27,332,533,704.62/157,470.10
  6. Step 6: Final answer
    x = 173,572.85

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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.