Home / 135,545.94-187,060.59-75,123.18

Finding the Fourth Proportional to 135,545.94, 187,060.59 and 75,123.18

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Solution

The fourth proportional to 135,545.94, 187,060.59 and 75,123.18 is: 103,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,545.94 : 187,060.59 = 75,123.18 : x
  2. Step 2: Convert to fraction form
    135,545.94/187,060.59 = 75,123.18/x
  3. Step 3: Cross multiply
    135,545.94x = 187,060.59 × 75,123.18
  4. Step 4: Simplify right side
    135,545.94x = 14,052,586,373.48
  5. Step 5: Solve for x
    x = 14,052,586,373.48/135,545.94
  6. Step 6: Final answer
    x = 103,673.97

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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.