Home / 148,002.90-222,004.35-102,902.10

Finding the Fourth Proportional to 148,002.90, 222,004.35 and 102,902.10

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Solution

The fourth proportional to 148,002.90, 222,004.35 and 102,902.10 is: 154,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,002.90 : 222,004.35 = 102,902.10 : x
  2. Step 2: Convert to fraction form
    148,002.90/222,004.35 = 102,902.10/x
  3. Step 3: Cross multiply
    148,002.90x = 222,004.35 × 102,902.10
  4. Step 4: Simplify right side
    148,002.90x = 22,844,713,824.14
  5. Step 5: Solve for x
    x = 22,844,713,824.14/148,002.90
  6. Step 6: Final answer
    x = 154,353.15

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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.