Home / 131,073.48-195,721.19-104,116.89

Finding the Fourth Proportional to 131,073.48, 195,721.19 and 104,116.89

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Solution

The fourth proportional to 131,073.48, 195,721.19 and 104,116.89 is: 155,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,073.48 : 195,721.19 = 104,116.89 : x
  2. Step 2: Convert to fraction form
    131,073.48/195,721.19 = 104,116.89/x
  3. Step 3: Cross multiply
    131,073.48x = 195,721.19 × 104,116.89
  4. Step 4: Simplify right side
    131,073.48x = 20,377,880,110.71
  5. Step 5: Solve for x
    x = 20,377,880,110.71/131,073.48
  6. Step 6: Final answer
    x = 155,469.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.