Home / 259,724.40-389,761.52-101,934.24

Finding the Fourth Proportional to 259,724.40, 389,761.52 and 101,934.24

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Solution

The fourth proportional to 259,724.40, 389,761.52 and 101,934.24 is: 152,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,724.40 : 389,761.52 = 101,934.24 : x
  2. Step 2: Convert to fraction form
    259,724.40/389,761.52 = 101,934.24/x
  3. Step 3: Cross multiply
    259,724.40x = 389,761.52 × 101,934.24
  4. Step 4: Simplify right side
    259,724.40x = 39,730,044,322.44
  5. Step 5: Solve for x
    x = 39,730,044,322.44/259,724.40
  6. Step 6: Final answer
    x = 152,970.01

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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.