Home / 173,622.80-260,434.20-80,077.52

Finding the Fourth Proportional to 173,622.80, 260,434.20 and 80,077.52

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Solution

The fourth proportional to 173,622.80, 260,434.20 and 80,077.52 is: 120,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,622.80 : 260,434.20 = 80,077.52 : x
  2. Step 2: Convert to fraction form
    173,622.80/260,434.20 = 80,077.52/x
  3. Step 3: Cross multiply
    173,622.80x = 260,434.20 × 80,077.52
  4. Step 4: Simplify right side
    173,622.80x = 20,854,924,859.18
  5. Step 5: Solve for x
    x = 20,854,924,859.18/173,622.80
  6. Step 6: Final answer
    x = 120,116.28

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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.