Home / 141,548.15-195,314.14-81,107.17

Finding the Fourth Proportional to 141,548.15, 195,314.14 and 81,107.17

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Solution

The fourth proportional to 141,548.15, 195,314.14 and 81,107.17 is: 111,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,548.15 : 195,314.14 = 81,107.17 : x
  2. Step 2: Convert to fraction form
    141,548.15/195,314.14 = 81,107.17/x
  3. Step 3: Cross multiply
    141,548.15x = 195,314.14 × 81,107.17
  4. Step 4: Simplify right side
    141,548.15x = 15,841,377,156.38
  5. Step 5: Solve for x
    x = 15,841,377,156.38/141,548.15
  6. Step 6: Final answer
    x = 111,915.11

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1.5x scale

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.