Home / 156,904.90-235,357.35-150,781.30

Finding the Fourth Proportional to 156,904.90, 235,357.35 and 150,781.30

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Solution

The fourth proportional to 156,904.90, 235,357.35 and 150,781.30 is: 226,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,904.90 : 235,357.35 = 150,781.30 : x
  2. Step 2: Convert to fraction form
    156,904.90/235,357.35 = 150,781.30/x
  3. Step 3: Cross multiply
    156,904.90x = 235,357.35 × 150,781.30
  4. Step 4: Simplify right side
    156,904.90x = 35,487,487,197.56
  5. Step 5: Solve for x
    x = 35,487,487,197.56/156,904.90
  6. Step 6: Final answer
    x = 226,171.95

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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.