Home / 272,394.68-408,593.76-94,905

Finding the Fourth Proportional to 272,394.68, 408,593.76 and 94,905

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Solution

The fourth proportional to 272,394.68, 408,593.76 and 94,905 is: 142,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,394.68 : 408,593.76 = 94,905 : x
  2. Step 2: Convert to fraction form
    272,394.68/408,593.76 = 94,905/x
  3. Step 3: Cross multiply
    272,394.68x = 408,593.76 × 94,905
  4. Step 4: Simplify right side
    272,394.68x = 38,777,590,792.80
  5. Step 5: Solve for x
    x = 38,777,590,792.80/272,394.68
  6. Step 6: Final answer
    x = 142,358.11

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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.