Home / 129,630.80-194,293.35-58,470.14

Finding the Fourth Proportional to 129,630.80, 194,293.35 and 58,470.14

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Solution

The fourth proportional to 129,630.80, 194,293.35 and 58,470.14 is: 87,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,630.80 : 194,293.35 = 58,470.14 : x
  2. Step 2: Convert to fraction form
    129,630.80/194,293.35 = 58,470.14/x
  3. Step 3: Cross multiply
    129,630.80x = 194,293.35 × 58,470.14
  4. Step 4: Simplify right side
    129,630.80x = 11,360,359,375.57
  5. Step 5: Solve for x
    x = 11,360,359,375.57/129,630.80
  6. Step 6: Final answer
    x = 87,636.27

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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.