Home / 198,248.40-297,718.20-192,027.60

Finding the Fourth Proportional to 198,248.40, 297,718.20 and 192,027.60

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Solution

The fourth proportional to 198,248.40, 297,718.20 and 192,027.60 is: 288,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,248.40 : 297,718.20 = 192,027.60 : x
  2. Step 2: Convert to fraction form
    198,248.40/297,718.20 = 192,027.60/x
  3. Step 3: Cross multiply
    198,248.40x = 297,718.20 × 192,027.60
  4. Step 4: Simplify right side
    198,248.40x = 57,170,111,422.32
  5. Step 5: Solve for x
    x = 57,170,111,422.32/198,248.40
  6. Step 6: Final answer
    x = 288,376.16

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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.