Home / 126,013.39-173,842.00-85,164.48

Finding the Fourth Proportional to 126,013.39, 173,842.00 and 85,164.48

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Solution

The fourth proportional to 126,013.39, 173,842.00 and 85,164.48 is: 117,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,013.39 : 173,842.00 = 85,164.48 : x
  2. Step 2: Convert to fraction form
    126,013.39/173,842.00 = 85,164.48/x
  3. Step 3: Cross multiply
    126,013.39x = 173,842.00 × 85,164.48
  4. Step 4: Simplify right side
    126,013.39x = 14,805,163,319.25
  5. Step 5: Solve for x
    x = 14,805,163,319.25/126,013.39
  6. Step 6: Final answer
    x = 117,488.81

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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.