Home / 129,890.97-194,687.82-58,867.74

Finding the Fourth Proportional to 129,890.97, 194,687.82 and 58,867.74

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Solution

The fourth proportional to 129,890.97, 194,687.82 and 58,867.74 is: 88,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,890.97 : 194,687.82 = 58,867.74 : x
  2. Step 2: Convert to fraction form
    129,890.97/194,687.82 = 58,867.74/x
  3. Step 3: Cross multiply
    129,890.97x = 194,687.82 × 58,867.74
  4. Step 4: Simplify right side
    129,890.97x = 11,460,831,968.93
  5. Step 5: Solve for x
    x = 11,460,831,968.93/129,890.97
  6. Step 6: Final answer
    x = 88,234.25

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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.