Home / 113,243.72-156,278.26-62,258.57

Finding the Fourth Proportional to 113,243.72, 156,278.26 and 62,258.57

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Solution

The fourth proportional to 113,243.72, 156,278.26 and 62,258.57 is: 85,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,243.72 : 156,278.26 = 62,258.57 : x
  2. Step 2: Convert to fraction form
    113,243.72/156,278.26 = 62,258.57/x
  3. Step 3: Cross multiply
    113,243.72x = 156,278.26 × 62,258.57
  4. Step 4: Simplify right side
    113,243.72x = 9,729,661,751.23
  5. Step 5: Solve for x
    x = 9,729,661,751.23/113,243.72
  6. Step 6: Final answer
    x = 85,917.89

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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.