Home / 115,223.41-171,854.87-113,229.61

Finding the Fourth Proportional to 115,223.41, 171,854.87 and 113,229.61

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Solution

The fourth proportional to 115,223.41, 171,854.87 and 113,229.61 is: 168,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,223.41 : 171,854.87 = 113,229.61 : x
  2. Step 2: Convert to fraction form
    115,223.41/171,854.87 = 113,229.61/x
  3. Step 3: Cross multiply
    115,223.41x = 171,854.87 × 113,229.61
  4. Step 4: Simplify right side
    115,223.41x = 19,459,059,906.70
  5. Step 5: Solve for x
    x = 19,459,059,906.70/115,223.41
  6. Step 6: Final answer
    x = 168,881.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.