Home / 157,736.20-236,517.90-64,136.20

Finding the Fourth Proportional to 157,736.20, 236,517.90 and 64,136.20

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Solution

The fourth proportional to 157,736.20, 236,517.90 and 64,136.20 is: 96,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,736.20 : 236,517.90 = 64,136.20 : x
  2. Step 2: Convert to fraction form
    157,736.20/236,517.90 = 64,136.20/x
  3. Step 3: Cross multiply
    157,736.20x = 236,517.90 × 64,136.20
  4. Step 4: Simplify right side
    157,736.20x = 15,169,359,337.98
  5. Step 5: Solve for x
    x = 15,169,359,337.98/157,736.20
  6. Step 6: Final answer
    x = 96,169.17

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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.