Home / 141,997.95-195,966.68-81,588.15

Finding the Fourth Proportional to 141,997.95, 195,966.68 and 81,588.15

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Solution

The fourth proportional to 141,997.95, 195,966.68 and 81,588.15 is: 112,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,997.95 : 195,966.68 = 81,588.15 : x
  2. Step 2: Convert to fraction form
    141,997.95/195,966.68 = 81,588.15/x
  3. Step 3: Cross multiply
    141,997.95x = 195,966.68 × 81,588.15
  4. Step 4: Simplify right side
    141,997.95x = 15,988,558,474.90
  5. Step 5: Solve for x
    x = 15,988,558,474.90/141,997.95
  6. Step 6: Final answer
    x = 112,597.11

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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.