Home / 187,647.60-281,489.86-54,529.02

Finding the Fourth Proportional to 187,647.60, 281,489.86 and 54,529.02

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Solution

The fourth proportional to 187,647.60, 281,489.86 and 54,529.02 is: 81,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,647.60 : 281,489.86 = 54,529.02 : x
  2. Step 2: Convert to fraction form
    187,647.60/281,489.86 = 54,529.02/x
  3. Step 3: Cross multiply
    187,647.60x = 281,489.86 × 54,529.02
  4. Step 4: Simplify right side
    187,647.60x = 15,349,366,205.74
  5. Step 5: Solve for x
    x = 15,349,366,205.74/187,647.60
  6. Step 6: Final answer
    x = 81,798.89

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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.