Home / 148,031.30-222,102.70-88,908.18

Finding the Fourth Proportional to 148,031.30, 222,102.70 and 88,908.18

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Solution

The fourth proportional to 148,031.30, 222,102.70 and 88,908.18 is: 133,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,031.30 : 222,102.70 = 88,908.18 : x
  2. Step 2: Convert to fraction form
    148,031.30/222,102.70 = 88,908.18/x
  3. Step 3: Cross multiply
    148,031.30x = 222,102.70 × 88,908.18
  4. Step 4: Simplify right side
    148,031.30x = 19,746,746,830.09
  5. Step 5: Solve for x
    x = 19,746,746,830.09/148,031.30
  6. Step 6: Final answer
    x = 133,395.75

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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.