Home / 132,450.24-198,703.20-38,948.16

Finding the Fourth Proportional to 132,450.24, 198,703.20 and 38,948.16

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Solution

The fourth proportional to 132,450.24, 198,703.20 and 38,948.16 is: 58,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,450.24 : 198,703.20 = 38,948.16 : x
  2. Step 2: Convert to fraction form
    132,450.24/198,703.20 = 38,948.16/x
  3. Step 3: Cross multiply
    132,450.24x = 198,703.20 × 38,948.16
  4. Step 4: Simplify right side
    132,450.24x = 7,739,124,026.11
  5. Step 5: Solve for x
    x = 7,739,124,026.11/132,450.24
  6. Step 6: Final answer
    x = 58,430.43

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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.