Home / 132,298.32-198,474.78-43,557.12

Finding the Fourth Proportional to 132,298.32, 198,474.78 and 43,557.12

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Solution

The fourth proportional to 132,298.32, 198,474.78 and 43,557.12 is: 65,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,298.32 : 198,474.78 = 43,557.12 : x
  2. Step 2: Convert to fraction form
    132,298.32/198,474.78 = 43,557.12/x
  3. Step 3: Cross multiply
    132,298.32x = 198,474.78 × 43,557.12
  4. Step 4: Simplify right side
    132,298.32x = 8,644,989,809.43
  5. Step 5: Solve for x
    x = 8,644,989,809.43/132,298.32
  6. Step 6: Final answer
    x = 65,344.67

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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.