Home / 141,727.75-195,570.10-87,271.19

Finding the Fourth Proportional to 141,727.75, 195,570.10 and 87,271.19

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Solution

The fourth proportional to 141,727.75, 195,570.10 and 87,271.19 is: 120,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,727.75 : 195,570.10 = 87,271.19 : x
  2. Step 2: Convert to fraction form
    141,727.75/195,570.10 = 87,271.19/x
  3. Step 3: Cross multiply
    141,727.75x = 195,570.10 × 87,271.19
  4. Step 4: Simplify right side
    141,727.75x = 17,067,635,355.42
  5. Step 5: Solve for x
    x = 17,067,635,355.42/141,727.75
  6. Step 6: Final answer
    x = 120,425.50

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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.