Home / 394,995.17-592,581.68-125,139.58

Finding the Fourth Proportional to 394,995.17, 592,581.68 and 125,139.58

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Solution

The fourth proportional to 394,995.17, 592,581.68 and 125,139.58 is: 187,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,995.17 : 592,581.68 = 125,139.58 : x
  2. Step 2: Convert to fraction form
    394,995.17/592,581.68 = 125,139.58/x
  3. Step 3: Cross multiply
    394,995.17x = 592,581.68 × 125,139.58
  4. Step 4: Simplify right side
    394,995.17x = 74,155,422,550.89
  5. Step 5: Solve for x
    x = 74,155,422,550.89/394,995.17
  6. Step 6: Final answer
    x = 187,737.54

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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.