Home / 115,754.20-173,631.30-88,106.20

Finding the Fourth Proportional to 115,754.20, 173,631.30 and 88,106.20

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Solution

The fourth proportional to 115,754.20, 173,631.30 and 88,106.20 is: 132,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,754.20 : 173,631.30 = 88,106.20 : x
  2. Step 2: Convert to fraction form
    115,754.20/173,631.30 = 88,106.20/x
  3. Step 3: Cross multiply
    115,754.20x = 173,631.30 × 88,106.20
  4. Step 4: Simplify right side
    115,754.20x = 15,297,994,044.06
  5. Step 5: Solve for x
    x = 15,297,994,044.06/115,754.20
  6. Step 6: Final answer
    x = 132,159.30

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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.