Home / 156,738.30-235,107.45-38,410.80

Finding the Fourth Proportional to 156,738.30, 235,107.45 and 38,410.80

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Solution

The fourth proportional to 156,738.30, 235,107.45 and 38,410.80 is: 57,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.30 : 235,107.45 = 38,410.80 : x
  2. Step 2: Convert to fraction form
    156,738.30/235,107.45 = 38,410.80/x
  3. Step 3: Cross multiply
    156,738.30x = 235,107.45 × 38,410.80
  4. Step 4: Simplify right side
    156,738.30x = 9,030,665,240.46
  5. Step 5: Solve for x
    x = 9,030,665,240.46/156,738.30
  6. Step 6: Final answer
    x = 57,616.20

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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.