Home / 187,227.92-258,468.36-127,116.56

Finding the Fourth Proportional to 187,227.92, 258,468.36 and 127,116.56

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Solution

The fourth proportional to 187,227.92, 258,468.36 and 127,116.56 is: 175,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,227.92 : 258,468.36 = 127,116.56 : x
  2. Step 2: Convert to fraction form
    187,227.92/258,468.36 = 127,116.56/x
  3. Step 3: Cross multiply
    187,227.92x = 258,468.36 × 127,116.56
  4. Step 4: Simplify right side
    187,227.92x = 32,855,608,792.04
  5. Step 5: Solve for x
    x = 32,855,608,792.04/187,227.92
  6. Step 6: Final answer
    x = 175,484.56

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1.5x scale

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.