Home / 156,964.30-235,446.45-109,725.10

Finding the Fourth Proportional to 156,964.30, 235,446.45 and 109,725.10

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Solution

The fourth proportional to 156,964.30, 235,446.45 and 109,725.10 is: 164,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964.30 : 235,446.45 = 109,725.10 : x
  2. Step 2: Convert to fraction form
    156,964.30/235,446.45 = 109,725.10/x
  3. Step 3: Cross multiply
    156,964.30x = 235,446.45 × 109,725.10
  4. Step 4: Simplify right side
    156,964.30x = 25,834,385,270.90
  5. Step 5: Solve for x
    x = 25,834,385,270.90/156,964.30
  6. Step 6: Final answer
    x = 164,587.65

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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.