Home / 141,419.77-195,131.23-79,332.25

Finding the Fourth Proportional to 141,419.77, 195,131.23 and 79,332.25

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Solution

The fourth proportional to 141,419.77, 195,131.23 and 79,332.25 is: 109,462.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,419.77 : 195,131.23 = 79,332.25 : x
  2. Step 2: Convert to fraction form
    141,419.77/195,131.23 = 79,332.25/x
  3. Step 3: Cross multiply
    141,419.77x = 195,131.23 × 79,332.25
  4. Step 4: Simplify right side
    141,419.77x = 15,480,198,915.38
  5. Step 5: Solve for x
    x = 15,480,198,915.38/141,419.77
  6. Step 6: Final answer
    x = 109,462.77

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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.