Home / 173,159.20-259,772.28-66,535.12

Finding the Fourth Proportional to 173,159.20, 259,772.28 and 66,535.12

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Solution

The fourth proportional to 173,159.20, 259,772.28 and 66,535.12 is: 99,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,159.20 : 259,772.28 = 66,535.12 : x
  2. Step 2: Convert to fraction form
    173,159.20/259,772.28 = 66,535.12/x
  3. Step 3: Cross multiply
    173,159.20x = 259,772.28 × 66,535.12
  4. Step 4: Simplify right side
    173,159.20x = 17,283,979,822.47
  5. Step 5: Solve for x
    x = 17,283,979,822.47/173,159.20
  6. Step 6: Final answer
    x = 99,815.54

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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.