Home / 141,712.33-195,571.89-78,050.11

Finding the Fourth Proportional to 141,712.33, 195,571.89 and 78,050.11

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Solution

The fourth proportional to 141,712.33, 195,571.89 and 78,050.11 is: 107,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,712.33 : 195,571.89 = 78,050.11 : x
  2. Step 2: Convert to fraction form
    141,712.33/195,571.89 = 78,050.11/x
  3. Step 3: Cross multiply
    141,712.33x = 195,571.89 × 78,050.11
  4. Step 4: Simplify right side
    141,712.33x = 15,264,407,527.41
  5. Step 5: Solve for x
    x = 15,264,407,527.41/141,712.33
  6. Step 6: Final answer
    x = 107,714.04

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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.