Home / 141,872.19-195,785.13-78,212.26

Finding the Fourth Proportional to 141,872.19, 195,785.13 and 78,212.26

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Solution

The fourth proportional to 141,872.19, 195,785.13 and 78,212.26 is: 107,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,872.19 : 195,785.13 = 78,212.26 : x
  2. Step 2: Convert to fraction form
    141,872.19/195,785.13 = 78,212.26/x
  3. Step 3: Cross multiply
    141,872.19x = 195,785.13 × 78,212.26
  4. Step 4: Simplify right side
    141,872.19x = 15,312,797,491.69
  5. Step 5: Solve for x
    x = 15,312,797,491.69/141,872.19
  6. Step 6: Final answer
    x = 107,933.75

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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.