Home / 156,726.80-235,090.20-38,399.30

Finding the Fourth Proportional to 156,726.80, 235,090.20 and 38,399.30

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Solution

The fourth proportional to 156,726.80, 235,090.20 and 38,399.30 is: 57,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,726.80 : 235,090.20 = 38,399.30 : x
  2. Step 2: Convert to fraction form
    156,726.80/235,090.20 = 38,399.30/x
  3. Step 3: Cross multiply
    156,726.80x = 235,090.20 × 38,399.30
  4. Step 4: Simplify right side
    156,726.80x = 9,027,299,116.86
  5. Step 5: Solve for x
    x = 9,027,299,116.86/156,726.80
  6. Step 6: Final answer
    x = 57,598.95

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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.