Home / 156,932.20-235,398.30-51,725.80

Finding the Fourth Proportional to 156,932.20, 235,398.30 and 51,725.80

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Solution

The fourth proportional to 156,932.20, 235,398.30 and 51,725.80 is: 77,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,932.20 : 235,398.30 = 51,725.80 : x
  2. Step 2: Convert to fraction form
    156,932.20/235,398.30 = 51,725.80/x
  3. Step 3: Cross multiply
    156,932.20x = 235,398.30 × 51,725.80
  4. Step 4: Simplify right side
    156,932.20x = 12,176,165,386.14
  5. Step 5: Solve for x
    x = 12,176,165,386.14/156,932.20
  6. Step 6: Final answer
    x = 77,588.70

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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.