Home / 156,718.30-235,077.45-38,390.80

Finding the Fourth Proportional to 156,718.30, 235,077.45 and 38,390.80

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Solution

The fourth proportional to 156,718.30, 235,077.45 and 38,390.80 is: 57,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,718.30 : 235,077.45 = 38,390.80 : x
  2. Step 2: Convert to fraction form
    156,718.30/235,077.45 = 38,390.80/x
  3. Step 3: Cross multiply
    156,718.30x = 235,077.45 × 38,390.80
  4. Step 4: Simplify right side
    156,718.30x = 9,024,811,367.46
  5. Step 5: Solve for x
    x = 9,024,811,367.46/156,718.30
  6. Step 6: Final answer
    x = 57,586.20

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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.