Home / 187,864.60-281,807.70-54,765.40

Finding the Fourth Proportional to 187,864.60, 281,807.70 and 54,765.40

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Solution

The fourth proportional to 187,864.60, 281,807.70 and 54,765.40 is: 82,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,864.60 : 281,807.70 = 54,765.40 : x
  2. Step 2: Convert to fraction form
    187,864.60/281,807.70 = 54,765.40/x
  3. Step 3: Cross multiply
    187,864.60x = 281,807.70 × 54,765.40
  4. Step 4: Simplify right side
    187,864.60x = 15,433,311,413.58
  5. Step 5: Solve for x
    x = 15,433,311,413.58/187,864.60
  6. Step 6: Final answer
    x = 82,151.25

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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.