Home / 157,677.53-236,490.71-45,332.15

Finding the Fourth Proportional to 157,677.53, 236,490.71 and 45,332.15

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Solution

The fourth proportional to 157,677.53, 236,490.71 and 45,332.15 is: 67,990.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,677.53 : 236,490.71 = 45,332.15 : x
  2. Step 2: Convert to fraction form
    157,677.53/236,490.71 = 45,332.15/x
  3. Step 3: Cross multiply
    157,677.53x = 236,490.71 × 45,332.15
  4. Step 4: Simplify right side
    157,677.53x = 10,720,630,930.21
  5. Step 5: Solve for x
    x = 10,720,630,930.21/157,677.53
  6. Step 6: Final answer
    x = 67,990.86

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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.