Home / 141,904.14-195,829.05-78,244.20

Finding the Fourth Proportional to 141,904.14, 195,829.05 and 78,244.20

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Solution

The fourth proportional to 141,904.14, 195,829.05 and 78,244.20 is: 107,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,904.14 : 195,829.05 = 78,244.20 : x
  2. Step 2: Convert to fraction form
    141,904.14/195,829.05 = 78,244.20/x
  3. Step 3: Cross multiply
    141,904.14x = 195,829.05 × 78,244.20
  4. Step 4: Simplify right side
    141,904.14x = 15,322,487,354.01
  5. Step 5: Solve for x
    x = 15,322,487,354.01/141,904.14
  6. Step 6: Final answer
    x = 107,977.73

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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.