Home / 129,010.88-193,501.60-44,755.44

Finding the Fourth Proportional to 129,010.88, 193,501.60 and 44,755.44

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Solution

The fourth proportional to 129,010.88, 193,501.60 and 44,755.44 is: 67,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,010.88 : 193,501.60 = 44,755.44 : x
  2. Step 2: Convert to fraction form
    129,010.88/193,501.60 = 44,755.44/x
  3. Step 3: Cross multiply
    129,010.88x = 193,501.60 × 44,755.44
  4. Step 4: Simplify right side
    129,010.88x = 8,660,249,248.70
  5. Step 5: Solve for x
    x = 8,660,249,248.70/129,010.88
  6. Step 6: Final answer
    x = 67,128.05

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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.