Home / 113,292.44-156,299.32-64,868.49

Finding the Fourth Proportional to 113,292.44, 156,299.32 and 64,868.49

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Solution

The fourth proportional to 113,292.44, 156,299.32 and 64,868.49 is: 89,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,292.44 : 156,299.32 = 64,868.49 : x
  2. Step 2: Convert to fraction form
    113,292.44/156,299.32 = 64,868.49/x
  3. Step 3: Cross multiply
    113,292.44x = 156,299.32 × 64,868.49
  4. Step 4: Simplify right side
    113,292.44x = 10,138,900,876.43
  5. Step 5: Solve for x
    x = 10,138,900,876.43/113,292.44
  6. Step 6: Final answer
    x = 89,493.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.