Home / 187,860.61-281,763.55-54,705.12

Finding the Fourth Proportional to 187,860.61, 281,763.55 and 54,705.12

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Solution

The fourth proportional to 187,860.61, 281,763.55 and 54,705.12 is: 82,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,860.61 : 281,763.55 = 54,705.12 : x
  2. Step 2: Convert to fraction form
    187,860.61/281,763.55 = 54,705.12/x
  3. Step 3: Cross multiply
    187,860.61x = 281,763.55 × 54,705.12
  4. Step 4: Simplify right side
    187,860.61x = 15,413,908,814.38
  5. Step 5: Solve for x
    x = 15,413,908,814.38/187,860.61
  6. Step 6: Final answer
    x = 82,049.71

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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.