Home / 382,922.61-574,383.78-102,432.57

Finding the Fourth Proportional to 382,922.61, 574,383.78 and 102,432.57

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Solution

The fourth proportional to 382,922.61, 574,383.78 and 102,432.57 is: 153,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,922.61 : 574,383.78 = 102,432.57 : x
  2. Step 2: Convert to fraction form
    382,922.61/574,383.78 = 102,432.57/x
  3. Step 3: Cross multiply
    382,922.61x = 574,383.78 × 102,432.57
  4. Step 4: Simplify right side
    382,922.61x = 58,835,606,751.71
  5. Step 5: Solve for x
    x = 58,835,606,751.71/382,922.61
  6. Step 6: Final answer
    x = 153,648.82

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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.