Home / 124,944.10-187,502.55-89,908.90

Finding the Fourth Proportional to 124,944.10, 187,502.55 and 89,908.90

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Solution

The fourth proportional to 124,944.10, 187,502.55 and 89,908.90 is: 134,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,944.10 : 187,502.55 = 89,908.90 : x
  2. Step 2: Convert to fraction form
    124,944.10/187,502.55 = 89,908.90/x
  3. Step 3: Cross multiply
    124,944.10x = 187,502.55 × 89,908.90
  4. Step 4: Simplify right side
    124,944.10x = 16,858,148,017.70
  5. Step 5: Solve for x
    x = 16,858,148,017.70/124,944.10
  6. Step 6: Final answer
    x = 134,925.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.