Home / 141,829.24-195,720.50-78,167.02

Finding the Fourth Proportional to 141,829.24, 195,720.50 and 78,167.02

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Solution

The fourth proportional to 141,829.24, 195,720.50 and 78,167.02 is: 107,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,829.24 : 195,720.50 = 78,167.02 : x
  2. Step 2: Convert to fraction form
    141,829.24/195,720.50 = 78,167.02/x
  3. Step 3: Cross multiply
    141,829.24x = 195,720.50 × 78,167.02
  4. Step 4: Simplify right side
    141,829.24x = 15,298,888,237.91
  5. Step 5: Solve for x
    x = 15,298,888,237.91/141,829.24
  6. Step 6: Final answer
    x = 107,868.37

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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.