Home / 129,104.40-193,297.43-65,788.02

Finding the Fourth Proportional to 129,104.40, 193,297.43 and 65,788.02

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Solution

The fourth proportional to 129,104.40, 193,297.43 and 65,788.02 is: 98,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,104.40 : 193,297.43 = 65,788.02 : x
  2. Step 2: Convert to fraction form
    129,104.40/193,297.43 = 65,788.02/x
  3. Step 3: Cross multiply
    129,104.40x = 193,297.43 × 65,788.02
  4. Step 4: Simplify right side
    129,104.40x = 12,716,654,861.85
  5. Step 5: Solve for x
    x = 12,716,654,861.85/129,104.40
  6. Step 6: Final answer
    x = 98,499.00

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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.