Home / 170,139.72-234,788.66-93,658.13

Finding the Fourth Proportional to 170,139.72, 234,788.66 and 93,658.13

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Solution

The fourth proportional to 170,139.72, 234,788.66 and 93,658.13 is: 129,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,139.72 : 234,788.66 = 93,658.13 : x
  2. Step 2: Convert to fraction form
    170,139.72/234,788.66 = 93,658.13/x
  3. Step 3: Cross multiply
    170,139.72x = 234,788.66 × 93,658.13
  4. Step 4: Simplify right side
    170,139.72x = 21,989,865,901.01
  5. Step 5: Solve for x
    x = 21,989,865,901.01/170,139.72
  6. Step 6: Final answer
    x = 129,245.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.