Home / 198,445.95-273,854.32-107,801.18

Finding the Fourth Proportional to 198,445.95, 273,854.32 and 107,801.18

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Solution

The fourth proportional to 198,445.95, 273,854.32 and 107,801.18 is: 148,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,445.95 : 273,854.32 = 107,801.18 : x
  2. Step 2: Convert to fraction form
    198,445.95/273,854.32 = 107,801.18/x
  3. Step 3: Cross multiply
    198,445.95x = 273,854.32 × 107,801.18
  4. Step 4: Simplify right side
    198,445.95x = 29,521,818,232.28
  5. Step 5: Solve for x
    x = 29,521,818,232.28/198,445.95
  6. Step 6: Final answer
    x = 148,765.03

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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.