Home / 198,203.51-273,521.02-107,559.47

Finding the Fourth Proportional to 198,203.51, 273,521.02 and 107,559.47

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Solution

The fourth proportional to 198,203.51, 273,521.02 and 107,559.47 is: 148,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,203.51 : 273,521.02 = 107,559.47 : x
  2. Step 2: Convert to fraction form
    198,203.51/273,521.02 = 107,559.47/x
  3. Step 3: Cross multiply
    198,203.51x = 273,521.02 × 107,559.47
  4. Step 4: Simplify right side
    198,203.51x = 29,419,776,719.39
  5. Step 5: Solve for x
    x = 29,419,776,719.39/198,203.51
  6. Step 6: Final answer
    x = 148,432.17

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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.