Home / 148,021.10-222,031.65-103,697.90

Finding the Fourth Proportional to 148,021.10, 222,031.65 and 103,697.90

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Solution

The fourth proportional to 148,021.10, 222,031.65 and 103,697.90 is: 155,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,021.10 : 222,031.65 = 103,697.90 : x
  2. Step 2: Convert to fraction form
    148,021.10/222,031.65 = 103,697.90/x
  3. Step 3: Cross multiply
    148,021.10x = 222,031.65 × 103,697.90
  4. Step 4: Simplify right side
    148,021.10x = 23,024,215,838.54
  5. Step 5: Solve for x
    x = 23,024,215,838.54/148,021.10
  6. Step 6: Final answer
    x = 155,546.85

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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.