Home / 141,868.44-195,779.04-78,204.84

Finding the Fourth Proportional to 141,868.44, 195,779.04 and 78,204.84

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Solution

The fourth proportional to 141,868.44, 195,779.04 and 78,204.84 is: 107,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,868.44 : 195,779.04 = 78,204.84 : x
  2. Step 2: Convert to fraction form
    141,868.44/195,779.04 = 78,204.84/x
  3. Step 3: Cross multiply
    141,868.44x = 195,779.04 × 78,204.84
  4. Step 4: Simplify right side
    141,868.44x = 15,310,868,498.55
  5. Step 5: Solve for x
    x = 15,310,868,498.55/141,868.44
  6. Step 6: Final answer
    x = 107,923.01

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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.