Home / 198,892.31-298,338.48-163,758.15

Finding the Fourth Proportional to 198,892.31, 298,338.48 and 163,758.15

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Solution

The fourth proportional to 198,892.31, 298,338.48 and 163,758.15 is: 245,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,892.31 : 298,338.48 = 163,758.15 : x
  2. Step 2: Convert to fraction form
    198,892.31/298,338.48 = 163,758.15/x
  3. Step 3: Cross multiply
    198,892.31x = 298,338.48 × 163,758.15
  4. Step 4: Simplify right side
    198,892.31x = 48,855,357,558.61
  5. Step 5: Solve for x
    x = 48,855,357,558.61/198,892.31
  6. Step 6: Final answer
    x = 245,637.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.