Home / 129,112.39-193,699.73-44,860.29

Finding the Fourth Proportional to 129,112.39, 193,699.73 and 44,860.29

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Solution

The fourth proportional to 129,112.39, 193,699.73 and 44,860.29 is: 67,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,112.39 : 193,699.73 = 44,860.29 : x
  2. Step 2: Convert to fraction form
    129,112.39/193,699.73 = 44,860.29/x
  3. Step 3: Cross multiply
    129,112.39x = 193,699.73 × 44,860.29
  4. Step 4: Simplify right side
    129,112.39x = 8,689,426,060.72
  5. Step 5: Solve for x
    x = 8,689,426,060.72/129,112.39
  6. Step 6: Final answer
    x = 67,301.26

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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.