Home / 141,376.14-195,144.48-90,525.78

Finding the Fourth Proportional to 141,376.14, 195,144.48 and 90,525.78

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Solution

The fourth proportional to 141,376.14, 195,144.48 and 90,525.78 is: 124,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,376.14 : 195,144.48 = 90,525.78 : x
  2. Step 2: Convert to fraction form
    141,376.14/195,144.48 = 90,525.78/x
  3. Step 3: Cross multiply
    141,376.14x = 195,144.48 × 90,525.78
  4. Step 4: Simplify right side
    141,376.14x = 17,665,606,264.69
  5. Step 5: Solve for x
    x = 17,665,606,264.69/141,376.14
  6. Step 6: Final answer
    x = 124,954.65

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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.