Home / 156,340.70-234,511.05-38,011.25

Finding the Fourth Proportional to 156,340.70, 234,511.05 and 38,011.25

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Solution

The fourth proportional to 156,340.70, 234,511.05 and 38,011.25 is: 57,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,340.70 : 234,511.05 = 38,011.25 : x
  2. Step 2: Convert to fraction form
    156,340.70/234,511.05 = 38,011.25/x
  3. Step 3: Cross multiply
    156,340.70x = 234,511.05 × 38,011.25
  4. Step 4: Simplify right side
    156,340.70x = 8,914,056,976.76
  5. Step 5: Solve for x
    x = 8,914,056,976.76/156,340.70
  6. Step 6: Final answer
    x = 57,016.87

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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.