Home / 141,727.50-195,569.75-87,270.94

Finding the Fourth Proportional to 141,727.50, 195,569.75 and 87,270.94

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Solution

The fourth proportional to 141,727.50, 195,569.75 and 87,270.94 is: 120,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,727.50 : 195,569.75 = 87,270.94 : x
  2. Step 2: Convert to fraction form
    141,727.50/195,569.75 = 87,270.94/x
  3. Step 3: Cross multiply
    141,727.50x = 195,569.75 × 87,270.94
  4. Step 4: Simplify right side
    141,727.50x = 17,067,555,918.07
  5. Step 5: Solve for x
    x = 17,067,555,918.07/141,727.50
  6. Step 6: Final answer
    x = 120,425.15

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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.