Home / 135,545.24-187,047.34-75,114.32

Finding the Fourth Proportional to 135,545.24, 187,047.34 and 75,114.32

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Solution

The fourth proportional to 135,545.24, 187,047.34 and 75,114.32 is: 103,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,545.24 : 187,047.34 = 75,114.32 : x
  2. Step 2: Convert to fraction form
    135,545.24/187,047.34 = 75,114.32/x
  3. Step 3: Cross multiply
    135,545.24x = 187,047.34 × 75,114.32
  4. Step 4: Simplify right side
    135,545.24x = 14,049,933,751.91
  5. Step 5: Solve for x
    x = 14,049,933,751.91/135,545.24
  6. Step 6: Final answer
    x = 103,654.94

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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.