Home / 141,454.05-195,208.96-81,029.97

Finding the Fourth Proportional to 141,454.05, 195,208.96 and 81,029.97

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Solution

The fourth proportional to 141,454.05, 195,208.96 and 81,029.97 is: 111,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,454.05 : 195,208.96 = 81,029.97 : x
  2. Step 2: Convert to fraction form
    141,454.05/195,208.96 = 81,029.97/x
  3. Step 3: Cross multiply
    141,454.05x = 195,208.96 × 81,029.97
  4. Step 4: Simplify right side
    141,454.05x = 15,817,776,349.78
  5. Step 5: Solve for x
    x = 15,817,776,349.78/141,454.05
  6. Step 6: Final answer
    x = 111,822.72

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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.