Home / 347,824.25-479,888.51-194,841.78

Finding the Fourth Proportional to 347,824.25, 479,888.51 and 194,841.78

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Solution

The fourth proportional to 347,824.25, 479,888.51 and 194,841.78 is: 268,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,824.25 : 479,888.51 = 194,841.78 : x
  2. Step 2: Convert to fraction form
    347,824.25/479,888.51 = 194,841.78/x
  3. Step 3: Cross multiply
    347,824.25x = 479,888.51 × 194,841.78
  4. Step 4: Simplify right side
    347,824.25x = 93,502,331,489.95
  5. Step 5: Solve for x
    x = 93,502,331,489.95/347,824.25
  6. Step 6: Final answer
    x = 268,820.62

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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.