Home / 141,435.55-195,153.10-79,348.11

Finding the Fourth Proportional to 141,435.55, 195,153.10 and 79,348.11

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Solution

The fourth proportional to 141,435.55, 195,153.10 and 79,348.11 is: 109,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,435.55 : 195,153.10 = 79,348.11 : x
  2. Step 2: Convert to fraction form
    141,435.55/195,153.10 = 79,348.11/x
  3. Step 3: Cross multiply
    141,435.55x = 195,153.10 × 79,348.11
  4. Step 4: Simplify right side
    141,435.55x = 15,485,029,645.64
  5. Step 5: Solve for x
    x = 15,485,029,645.64/141,435.55
  6. Step 6: Final answer
    x = 109,484.71

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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.