Home / 141,934.07-195,860.05-81,462.15

Finding the Fourth Proportional to 141,934.07, 195,860.05 and 81,462.15

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Solution

The fourth proportional to 141,934.07, 195,860.05 and 81,462.15 is: 112,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,934.07 : 195,860.05 = 81,462.15 : x
  2. Step 2: Convert to fraction form
    141,934.07/195,860.05 = 81,462.15/x
  3. Step 3: Cross multiply
    141,934.07x = 195,860.05 × 81,462.15
  4. Step 4: Simplify right side
    141,934.07x = 15,955,180,772.11
  5. Step 5: Solve for x
    x = 15,955,180,772.11/141,934.07
  6. Step 6: Final answer
    x = 112,412.62

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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.