Home / 156,763.06-235,149.05-38,434.30

Finding the Fourth Proportional to 156,763.06, 235,149.05 and 38,434.30

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Solution

The fourth proportional to 156,763.06, 235,149.05 and 38,434.30 is: 57,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,763.06 : 235,149.05 = 38,434.30 : x
  2. Step 2: Convert to fraction form
    156,763.06/235,149.05 = 38,434.30/x
  3. Step 3: Cross multiply
    156,763.06x = 235,149.05 × 38,434.30
  4. Step 4: Simplify right side
    156,763.06x = 9,037,789,132.42
  5. Step 5: Solve for x
    x = 9,037,789,132.42/156,763.06
  6. Step 6: Final answer
    x = 57,652.54

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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.