Home / 141,638.32-195,462.18-77,977.18

Finding the Fourth Proportional to 141,638.32, 195,462.18 and 77,977.18

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Solution

The fourth proportional to 141,638.32, 195,462.18 and 77,977.18 is: 107,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,638.32 : 195,462.18 = 77,977.18 : x
  2. Step 2: Convert to fraction form
    141,638.32/195,462.18 = 77,977.18/x
  3. Step 3: Cross multiply
    141,638.32x = 195,462.18 × 77,977.18
  4. Step 4: Simplify right side
    141,638.32x = 15,241,589,593.05
  5. Step 5: Solve for x
    x = 15,241,589,593.05/141,638.32
  6. Step 6: Final answer
    x = 107,609.22

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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.