Home / 198,460.20-273,875.40-107,816.52

Finding the Fourth Proportional to 198,460.20, 273,875.40 and 107,816.52

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Solution

The fourth proportional to 198,460.20, 273,875.40 and 107,816.52 is: 148,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,460.20 : 273,875.40 = 107,816.52 : x
  2. Step 2: Convert to fraction form
    198,460.20/273,875.40 = 107,816.52/x
  3. Step 3: Cross multiply
    198,460.20x = 273,875.40 × 107,816.52
  4. Step 4: Simplify right side
    198,460.20x = 29,528,292,541.61
  5. Step 5: Solve for x
    x = 29,528,292,541.61/198,460.20
  6. Step 6: Final answer
    x = 148,786.97

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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.