Home / 157,034.90-235,479.45-68,242.70

Finding the Fourth Proportional to 157,034.90, 235,479.45 and 68,242.70

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Solution

The fourth proportional to 157,034.90, 235,479.45 and 68,242.70 is: 102,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,034.90 : 235,479.45 = 68,242.70 : x
  2. Step 2: Convert to fraction form
    157,034.90/235,479.45 = 68,242.70/x
  3. Step 3: Cross multiply
    157,034.90x = 235,479.45 × 68,242.70
  4. Step 4: Simplify right side
    157,034.90x = 16,069,753,462.52
  5. Step 5: Solve for x
    x = 16,069,753,462.52/157,034.90
  6. Step 6: Final answer
    x = 102,332.37

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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.