Home / 185,985.80-256,657.38-101,105

Finding the Fourth Proportional to 185,985.80, 256,657.38 and 101,105

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Solution

The fourth proportional to 185,985.80, 256,657.38 and 101,105 is: 139,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,985.80 : 256,657.38 = 101,105 : x
  2. Step 2: Convert to fraction form
    185,985.80/256,657.38 = 101,105/x
  3. Step 3: Cross multiply
    185,985.80x = 256,657.38 × 101,105
  4. Step 4: Simplify right side
    185,985.80x = 25,949,344,404.90
  5. Step 5: Solve for x
    x = 25,949,344,404.90/185,985.80
  6. Step 6: Final answer
    x = 139,523.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.