Home / 173,618.80-260,514.60-68,441.20

Finding the Fourth Proportional to 173,618.80, 260,514.60 and 68,441.20

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Solution

The fourth proportional to 173,618.80, 260,514.60 and 68,441.20 is: 102,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,618.80 : 260,514.60 = 68,441.20 : x
  2. Step 2: Convert to fraction form
    173,618.80/260,514.60 = 68,441.20/x
  3. Step 3: Cross multiply
    173,618.80x = 260,514.60 × 68,441.20
  4. Step 4: Simplify right side
    173,618.80x = 17,829,931,841.52
  5. Step 5: Solve for x
    x = 17,829,931,841.52/173,618.80
  6. Step 6: Final answer
    x = 102,695.86

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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.