Home / 141,017.13-194,601.83-80,587.08

Finding the Fourth Proportional to 141,017.13, 194,601.83 and 80,587.08

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Solution

The fourth proportional to 141,017.13, 194,601.83 and 80,587.08 is: 111,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,017.13 : 194,601.83 = 80,587.08 : x
  2. Step 2: Convert to fraction form
    141,017.13/194,601.83 = 80,587.08/x
  3. Step 3: Cross multiply
    141,017.13x = 194,601.83 × 80,587.08
  4. Step 4: Simplify right side
    141,017.13x = 15,682,392,839.42
  5. Step 5: Solve for x
    x = 15,682,392,839.42/141,017.13
  6. Step 6: Final answer
    x = 111,209.13

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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.