Home / 132,328.32-198,519.84-43,587.24

Finding the Fourth Proportional to 132,328.32, 198,519.84 and 43,587.24

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Solution

The fourth proportional to 132,328.32, 198,519.84 and 43,587.24 is: 65,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,328.32 : 198,519.84 = 43,587.24 : x
  2. Step 2: Convert to fraction form
    132,328.32/198,519.84 = 43,587.24/x
  3. Step 3: Cross multiply
    132,328.32x = 198,519.84 × 43,587.24
  4. Step 4: Simplify right side
    132,328.32x = 8,652,931,910.84
  5. Step 5: Solve for x
    x = 8,652,931,910.84/132,328.32
  6. Step 6: Final answer
    x = 65,389.87

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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.