Home / 353,210.30-487,432.76-192,064.20

Finding the Fourth Proportional to 353,210.30, 487,432.76 and 192,064.20

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Solution

The fourth proportional to 353,210.30, 487,432.76 and 192,064.20 is: 265,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,210.30 : 487,432.76 = 192,064.20 : x
  2. Step 2: Convert to fraction form
    353,210.30/487,432.76 = 192,064.20/x
  3. Step 3: Cross multiply
    353,210.30x = 487,432.76 × 192,064.20
  4. Step 4: Simplify right side
    353,210.30x = 93,618,383,103.19
  5. Step 5: Solve for x
    x = 93,618,383,103.19/353,210.30
  6. Step 6: Final answer
    x = 265,049.98

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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.