Home / 129,520.60-194,223.30-59,421.40

Finding the Fourth Proportional to 129,520.60, 194,223.30 and 59,421.40

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Solution

The fourth proportional to 129,520.60, 194,223.30 and 59,421.40 is: 89,105.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,520.60 : 194,223.30 = 59,421.40 : x
  2. Step 2: Convert to fraction form
    129,520.60/194,223.30 = 59,421.40/x
  3. Step 3: Cross multiply
    129,520.60x = 194,223.30 × 59,421.40
  4. Step 4: Simplify right side
    129,520.60x = 11,541,020,398.62
  5. Step 5: Solve for x
    x = 11,541,020,398.62/129,520.60
  6. Step 6: Final answer
    x = 89,105.67

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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.