Home / 113,032.20-169,256.70-89,704.20

Finding the Fourth Proportional to 113,032.20, 169,256.70 and 89,704.20

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Solution

The fourth proportional to 113,032.20, 169,256.70 and 89,704.20 is: 134,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,032.20 : 169,256.70 = 89,704.20 : x
  2. Step 2: Convert to fraction form
    113,032.20/169,256.70 = 89,704.20/x
  3. Step 3: Cross multiply
    113,032.20x = 169,256.70 × 89,704.20
  4. Step 4: Simplify right side
    113,032.20x = 15,183,036,868.14
  5. Step 5: Solve for x
    x = 15,183,036,868.14/113,032.20
  6. Step 6: Final answer
    x = 134,324.88

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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.