Home / 187,725.78-281,585.66-45,572.19

Finding the Fourth Proportional to 187,725.78, 281,585.66 and 45,572.19

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Solution

The fourth proportional to 187,725.78, 281,585.66 and 45,572.19 is: 68,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,725.78 : 281,585.66 = 45,572.19 : x
  2. Step 2: Convert to fraction form
    187,725.78/281,585.66 = 45,572.19/x
  3. Step 3: Cross multiply
    187,725.78x = 281,585.66 × 45,572.19
  4. Step 4: Simplify right side
    187,725.78x = 12,832,474,970.93
  5. Step 5: Solve for x
    x = 12,832,474,970.93/187,725.78
  6. Step 6: Final answer
    x = 68,357.55

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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.