Home / 141,679.94-195,497.55-81,253.13

Finding the Fourth Proportional to 141,679.94, 195,497.55 and 81,253.13

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Solution

The fourth proportional to 141,679.94, 195,497.55 and 81,253.13 is: 112,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,679.94 : 195,497.55 = 81,253.13 : x
  2. Step 2: Convert to fraction form
    141,679.94/195,497.55 = 81,253.13/x
  3. Step 3: Cross multiply
    141,679.94x = 195,497.55 × 81,253.13
  4. Step 4: Simplify right side
    141,679.94x = 15,884,786,867.34
  5. Step 5: Solve for x
    x = 15,884,786,867.34/141,679.94
  6. Step 6: Final answer
    x = 112,117.41

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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.