Home / 141,335.88-195,043.51-77,677.77

Finding the Fourth Proportional to 141,335.88, 195,043.51 and 77,677.77

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Solution

The fourth proportional to 141,335.88, 195,043.51 and 77,677.77 is: 107,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,335.88 : 195,043.51 = 77,677.77 : x
  2. Step 2: Convert to fraction form
    141,335.88/195,043.51 = 77,677.77/x
  3. Step 3: Cross multiply
    141,335.88x = 195,043.51 × 77,677.77
  4. Step 4: Simplify right side
    141,335.88x = 15,150,544,909.77
  5. Step 5: Solve for x
    x = 15,150,544,909.77/141,335.88
  6. Step 6: Final answer
    x = 107,195.32

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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.