Home / 173,854.30-260,704.65-80,388.70

Finding the Fourth Proportional to 173,854.30, 260,704.65 and 80,388.70

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Solution

The fourth proportional to 173,854.30, 260,704.65 and 80,388.70 is: 120,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,854.30 : 260,704.65 = 80,388.70 : x
  2. Step 2: Convert to fraction form
    173,854.30/260,704.65 = 80,388.70/x
  3. Step 3: Cross multiply
    173,854.30x = 260,704.65 × 80,388.70
  4. Step 4: Simplify right side
    173,854.30x = 20,957,707,897.46
  5. Step 5: Solve for x
    x = 20,957,707,897.46/173,854.30
  6. Step 6: Final answer
    x = 120,547.54

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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.