Home / 157,666.70-236,500.05-82,757.90

Finding the Fourth Proportional to 157,666.70, 236,500.05 and 82,757.90

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Solution

The fourth proportional to 157,666.70, 236,500.05 and 82,757.90 is: 124,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,666.70 : 236,500.05 = 82,757.90 : x
  2. Step 2: Convert to fraction form
    157,666.70/236,500.05 = 82,757.90/x
  3. Step 3: Cross multiply
    157,666.70x = 236,500.05 × 82,757.90
  4. Step 4: Simplify right side
    157,666.70x = 19,572,247,487.90
  5. Step 5: Solve for x
    x = 19,572,247,487.90/157,666.70
  6. Step 6: Final answer
    x = 124,136.85

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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.