Home / 141,693.50-195,537.30-78,037.22

Finding the Fourth Proportional to 141,693.50, 195,537.30 and 78,037.22

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Solution

The fourth proportional to 141,693.50, 195,537.30 and 78,037.22 is: 107,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,693.50 : 195,537.30 = 78,037.22 : x
  2. Step 2: Convert to fraction form
    141,693.50/195,537.30 = 78,037.22/x
  3. Step 3: Cross multiply
    141,693.50x = 195,537.30 × 78,037.22
  4. Step 4: Simplify right side
    141,693.50x = 15,259,187,298.31
  5. Step 5: Solve for x
    x = 15,259,187,298.31/141,693.50
  6. Step 6: Final answer
    x = 107,691.51

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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.