Home / 198,319.60-273,679.45-107,673.77

Finding the Fourth Proportional to 198,319.60, 273,679.45 and 107,673.77

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Solution

The fourth proportional to 198,319.60, 273,679.45 and 107,673.77 is: 148,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,319.60 : 273,679.45 = 107,673.77 : x
  2. Step 2: Convert to fraction form
    198,319.60/273,679.45 = 107,673.77/x
  3. Step 3: Cross multiply
    198,319.60x = 273,679.45 × 107,673.77
  4. Step 4: Simplify right side
    198,319.60x = 29,468,098,153.03
  5. Step 5: Solve for x
    x = 29,468,098,153.03/198,319.60
  6. Step 6: Final answer
    x = 148,588.93

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1.5x scale

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.