Home / 141,919.16-195,840.40-88,202.80

Finding the Fourth Proportional to 141,919.16, 195,840.40 and 88,202.80

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Solution

The fourth proportional to 141,919.16, 195,840.40 and 88,202.80 is: 121,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,919.16 : 195,840.40 = 88,202.80 : x
  2. Step 2: Convert to fraction form
    141,919.16/195,840.40 = 88,202.80/x
  3. Step 3: Cross multiply
    141,919.16x = 195,840.40 × 88,202.80
  4. Step 4: Simplify right side
    141,919.16x = 17,273,671,633.12
  5. Step 5: Solve for x
    x = 17,273,671,633.12/141,919.16
  6. Step 6: Final answer
    x = 121,714.87

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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.