Home / 198,510.06-273,945.61-107,866.02

Finding the Fourth Proportional to 198,510.06, 273,945.61 and 107,866.02

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Solution

The fourth proportional to 198,510.06, 273,945.61 and 107,866.02 is: 148,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,510.06 : 273,945.61 = 107,866.02 : x
  2. Step 2: Convert to fraction form
    198,510.06/273,945.61 = 107,866.02/x
  3. Step 3: Cross multiply
    198,510.06x = 273,945.61 × 107,866.02
  4. Step 4: Simplify right side
    198,510.06x = 29,549,423,213.79
  5. Step 5: Solve for x
    x = 29,549,423,213.79/198,510.06
  6. Step 6: Final answer
    x = 148,856.05

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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.