Home / 148,340.64-222,508.92-36,021.72

Finding the Fourth Proportional to 148,340.64, 222,508.92 and 36,021.72

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Solution

The fourth proportional to 148,340.64, 222,508.92 and 36,021.72 is: 54,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,340.64 : 222,508.92 = 36,021.72 : x
  2. Step 2: Convert to fraction form
    148,340.64/222,508.92 = 36,021.72/x
  3. Step 3: Cross multiply
    148,340.64x = 222,508.92 × 36,021.72
  4. Step 4: Simplify right side
    148,340.64x = 8,015,154,013.74
  5. Step 5: Solve for x
    x = 8,015,154,013.74/148,340.64
  6. Step 6: Final answer
    x = 54,032.08

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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.