Home / 156,793.16-216,464.36-103,233.88

Finding the Fourth Proportional to 156,793.16, 216,464.36 and 103,233.88

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Solution

The fourth proportional to 156,793.16, 216,464.36 and 103,233.88 is: 142,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,793.16 : 216,464.36 = 103,233.88 : x
  2. Step 2: Convert to fraction form
    156,793.16/216,464.36 = 103,233.88/x
  3. Step 3: Cross multiply
    156,793.16x = 216,464.36 × 103,233.88
  4. Step 4: Simplify right side
    156,793.16x = 22,346,455,764.52
  5. Step 5: Solve for x
    x = 22,346,455,764.52/156,793.16
  6. Step 6: Final answer
    x = 142,521.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.