Home / 141,887.60-195,804.84-85,331.84

Finding the Fourth Proportional to 141,887.60, 195,804.84 and 85,331.84

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Solution

The fourth proportional to 141,887.60, 195,804.84 and 85,331.84 is: 117,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,887.60 : 195,804.84 = 85,331.84 : x
  2. Step 2: Convert to fraction form
    141,887.60/195,804.84 = 85,331.84/x
  3. Step 3: Cross multiply
    141,887.60x = 195,804.84 × 85,331.84
  4. Step 4: Simplify right side
    141,887.60x = 16,708,387,278.11
  5. Step 5: Solve for x
    x = 16,708,387,278.11/141,887.60
  6. Step 6: Final answer
    x = 117,757.91

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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.