Home / 157,076.20-235,151.38-103,669.66

Finding the Fourth Proportional to 157,076.20, 235,151.38 and 103,669.66

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Solution

The fourth proportional to 157,076.20, 235,151.38 and 103,669.66 is: 155,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,076.20 : 235,151.38 = 103,669.66 : x
  2. Step 2: Convert to fraction form
    157,076.20/235,151.38 = 103,669.66/x
  3. Step 3: Cross multiply
    157,076.20x = 235,151.38 × 103,669.66
  4. Step 4: Simplify right side
    157,076.20x = 24,378,063,613.13
  5. Step 5: Solve for x
    x = 24,378,063,613.13/157,076.20
  6. Step 6: Final answer
    x = 155,198.96

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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.