Home / 135,545.30-187,060.00-75,114.68

Finding the Fourth Proportional to 135,545.30, 187,060.00 and 75,114.68

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Solution

The fourth proportional to 135,545.30, 187,060.00 and 75,114.68 is: 103,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,545.30 : 187,060.00 = 75,114.68 : x
  2. Step 2: Convert to fraction form
    135,545.30/187,060.00 = 75,114.68/x
  3. Step 3: Cross multiply
    135,545.30x = 187,060.00 × 75,114.68
  4. Step 4: Simplify right side
    135,545.30x = 14,050,950,917.71
  5. Step 5: Solve for x
    x = 14,050,950,917.71/135,545.30
  6. Step 6: Final answer
    x = 103,662.40

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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.