Home / 353,451.45-487,768.02-192,306.63

Finding the Fourth Proportional to 353,451.45, 487,768.02 and 192,306.63

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Solution

The fourth proportional to 353,451.45, 487,768.02 and 192,306.63 is: 265,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,451.45 : 487,768.02 = 192,306.63 : x
  2. Step 2: Convert to fraction form
    353,451.45/487,768.02 = 192,306.63/x
  3. Step 3: Cross multiply
    353,451.45x = 487,768.02 × 192,306.63
  4. Step 4: Simplify right side
    353,451.45x = 93,801,024,147.97
  5. Step 5: Solve for x
    x = 93,801,024,147.97/353,451.45
  6. Step 6: Final answer
    x = 265,385.88

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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.