Home / 187,433.28-281,149.68-47,191.92

Finding the Fourth Proportional to 187,433.28, 281,149.68 and 47,191.92

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Solution

The fourth proportional to 187,433.28, 281,149.68 and 47,191.92 is: 70,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,433.28 : 281,149.68 = 47,191.92 : x
  2. Step 2: Convert to fraction form
    187,433.28/281,149.68 = 47,191.92/x
  3. Step 3: Cross multiply
    187,433.28x = 281,149.68 × 47,191.92
  4. Step 4: Simplify right side
    187,433.28x = 13,267,993,206.59
  5. Step 5: Solve for x
    x = 13,267,993,206.59/187,433.28
  6. Step 6: Final answer
    x = 70,787.82

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1.5x scale

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.