Home / 135,925.68-187,572.21-75,500.18

Finding the Fourth Proportional to 135,925.68, 187,572.21 and 75,500.18

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Solution

The fourth proportional to 135,925.68, 187,572.21 and 75,500.18 is: 104,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,925.68 : 187,572.21 = 75,500.18 : x
  2. Step 2: Convert to fraction form
    135,925.68/187,572.21 = 75,500.18/x
  3. Step 3: Cross multiply
    135,925.68x = 187,572.21 × 75,500.18
  4. Step 4: Simplify right side
    135,925.68x = 14,161,734,680.14
  5. Step 5: Solve for x
    x = 14,161,734,680.14/135,925.68
  6. Step 6: Final answer
    x = 104,187.34

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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.