Home / 100,557.43-150,700.06-38,193.91

Finding the Fourth Proportional to 100,557.43, 150,700.06 and 38,193.91

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Solution

The fourth proportional to 100,557.43, 150,700.06 and 38,193.91 is: 57,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,557.43 : 150,700.06 = 38,193.91 : x
  2. Step 2: Convert to fraction form
    100,557.43/150,700.06 = 38,193.91/x
  3. Step 3: Cross multiply
    100,557.43x = 150,700.06 × 38,193.91
  4. Step 4: Simplify right side
    100,557.43x = 5,755,824,528.63
  5. Step 5: Solve for x
    x = 5,755,824,528.63/100,557.43
  6. Step 6: Final answer
    x = 57,239.18

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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.