Home / 141,513.94-195,290.22-76,983.77

Finding the Fourth Proportional to 141,513.94, 195,290.22 and 76,983.77

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Solution

The fourth proportional to 141,513.94, 195,290.22 and 76,983.77 is: 106,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,513.94 : 195,290.22 = 76,983.77 : x
  2. Step 2: Convert to fraction form
    141,513.94/195,290.22 = 76,983.77/x
  3. Step 3: Cross multiply
    141,513.94x = 195,290.22 × 76,983.77
  4. Step 4: Simplify right side
    141,513.94x = 15,034,176,408.59
  5. Step 5: Solve for x
    x = 15,034,176,408.59/141,513.94
  6. Step 6: Final answer
    x = 106,238.13

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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.