Home / 129,126.67-193,748.43-65,914.15

Finding the Fourth Proportional to 129,126.67, 193,748.43 and 65,914.15

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Solution

The fourth proportional to 129,126.67, 193,748.43 and 65,914.15 is: 98,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,126.67 : 193,748.43 = 65,914.15 : x
  2. Step 2: Convert to fraction form
    129,126.67/193,748.43 = 65,914.15/x
  3. Step 3: Cross multiply
    129,126.67x = 193,748.43 × 65,914.15
  4. Step 4: Simplify right side
    129,126.67x = 12,770,763,077.28
  5. Step 5: Solve for x
    x = 12,770,763,077.28/129,126.67
  6. Step 6: Final answer
    x = 98,901.05

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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.