Home / 198,071.06-273,337.27-107,426.66

Finding the Fourth Proportional to 198,071.06, 273,337.27 and 107,426.66

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Solution

The fourth proportional to 198,071.06, 273,337.27 and 107,426.66 is: 148,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,071.06 : 273,337.27 = 107,426.66 : x
  2. Step 2: Convert to fraction form
    198,071.06/273,337.27 = 107,426.66/x
  3. Step 3: Cross multiply
    198,071.06x = 273,337.27 × 107,426.66
  4. Step 4: Simplify right side
    198,071.06x = 29,363,708,334.37
  5. Step 5: Solve for x
    x = 29,363,708,334.37/198,071.06
  6. Step 6: Final answer
    x = 148,248.36

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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.