Home / 156,983.40-235,475.10-109,744.20

Finding the Fourth Proportional to 156,983.40, 235,475.10 and 109,744.20

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Solution

The fourth proportional to 156,983.40, 235,475.10 and 109,744.20 is: 164,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,983.40 : 235,475.10 = 109,744.20 : x
  2. Step 2: Convert to fraction form
    156,983.40/235,475.10 = 109,744.20/x
  3. Step 3: Cross multiply
    156,983.40x = 235,475.10 × 109,744.20
  4. Step 4: Simplify right side
    156,983.40x = 25,842,026,469.42
  5. Step 5: Solve for x
    x = 25,842,026,469.42/156,983.40
  6. Step 6: Final answer
    x = 164,616.30

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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.