Home / 104,257.68-156,386.64-25,371.92

Finding the Fourth Proportional to 104,257.68, 156,386.64 and 25,371.92

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Solution

The fourth proportional to 104,257.68, 156,386.64 and 25,371.92 is: 38,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,257.68 : 156,386.64 = 25,371.92 : x
  2. Step 2: Convert to fraction form
    104,257.68/156,386.64 = 25,371.92/x
  3. Step 3: Cross multiply
    104,257.68x = 156,386.64 × 25,371.92
  4. Step 4: Simplify right side
    104,257.68x = 3,967,829,319.15
  5. Step 5: Solve for x
    x = 3,967,829,319.15/104,257.68
  6. Step 6: Final answer
    x = 38,057.91

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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.