Home / 347,572.07-479,537.98-194,587.78

Finding the Fourth Proportional to 347,572.07, 479,537.98 and 194,587.78

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Solution

The fourth proportional to 347,572.07, 479,537.98 and 194,587.78 is: 268,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,572.07 : 479,537.98 = 194,587.78 : x
  2. Step 2: Convert to fraction form
    347,572.07/479,537.98 = 194,587.78/x
  3. Step 3: Cross multiply
    347,572.07x = 479,537.98 × 194,587.78
  4. Step 4: Simplify right side
    347,572.07x = 93,312,230,953.88
  5. Step 5: Solve for x
    x = 93,312,230,953.88/347,572.07
  6. Step 6: Final answer
    x = 268,468.73

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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.