Home / 354,885.20-489,748.99-193,747.04

Finding the Fourth Proportional to 354,885.20, 489,748.99 and 193,747.04

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Solution

The fourth proportional to 354,885.20, 489,748.99 and 193,747.04 is: 267,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,885.20 : 489,748.99 = 193,747.04 : x
  2. Step 2: Convert to fraction form
    354,885.20/489,748.99 = 193,747.04/x
  3. Step 3: Cross multiply
    354,885.20x = 489,748.99 × 193,747.04
  4. Step 4: Simplify right side
    354,885.20x = 94,887,417,155.49
  5. Step 5: Solve for x
    x = 94,887,417,155.49/354,885.20
  6. Step 6: Final answer
    x = 267,374.96

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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.