Home / 132,388.45-198,520.28-48,089.18

Finding the Fourth Proportional to 132,388.45, 198,520.28 and 48,089.18

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Solution

The fourth proportional to 132,388.45, 198,520.28 and 48,089.18 is: 72,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,388.45 : 198,520.28 = 48,089.18 : x
  2. Step 2: Convert to fraction form
    132,388.45/198,520.28 = 48,089.18/x
  3. Step 3: Cross multiply
    132,388.45x = 198,520.28 × 48,089.18
  4. Step 4: Simplify right side
    132,388.45x = 9,546,677,478.57
  5. Step 5: Solve for x
    x = 9,546,677,478.57/132,388.45
  6. Step 6: Final answer
    x = 72,111.11

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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.