Home / 130,355.43-195,554.33-40,377.13

Finding the Fourth Proportional to 130,355.43, 195,554.33 and 40,377.13

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Solution

The fourth proportional to 130,355.43, 195,554.33 and 40,377.13 is: 60,572.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,355.43 : 195,554.33 = 40,377.13 : x
  2. Step 2: Convert to fraction form
    130,355.43/195,554.33 = 40,377.13/x
  3. Step 3: Cross multiply
    130,355.43x = 195,554.33 × 40,377.13
  4. Step 4: Simplify right side
    130,355.43x = 7,895,922,604.47
  5. Step 5: Solve for x
    x = 7,895,922,604.47/130,355.43
  6. Step 6: Final answer
    x = 60,572.26

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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.