Home / 129,266.76-193,894.32-45,046.08

Finding the Fourth Proportional to 129,266.76, 193,894.32 and 45,046.08

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Solution

The fourth proportional to 129,266.76, 193,894.32 and 45,046.08 is: 67,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,266.76 : 193,894.32 = 45,046.08 : x
  2. Step 2: Convert to fraction form
    129,266.76/193,894.32 = 45,046.08/x
  3. Step 3: Cross multiply
    129,266.76x = 193,894.32 × 45,046.08
  4. Step 4: Simplify right side
    129,266.76x = 8,734,179,050.27
  5. Step 5: Solve for x
    x = 8,734,179,050.27/129,266.76
  6. Step 6: Final answer
    x = 67,567.09

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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.