Home / 187,062.16-258,123.36-106,489.84

Finding the Fourth Proportional to 187,062.16, 258,123.36 and 106,489.84

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Solution

The fourth proportional to 187,062.16, 258,123.36 and 106,489.84 is: 146,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,062.16 : 258,123.36 = 106,489.84 : x
  2. Step 2: Convert to fraction form
    187,062.16/258,123.36 = 106,489.84/x
  3. Step 3: Cross multiply
    187,062.16x = 258,123.36 × 106,489.84
  4. Step 4: Simplify right side
    187,062.16x = 27,487,515,306.66
  5. Step 5: Solve for x
    x = 27,487,515,306.66/187,062.16
  6. Step 6: Final answer
    x = 146,943.22

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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.