Home / 144,354.15-199,207.62-79,826.22

Finding the Fourth Proportional to 144,354.15, 199,207.62 and 79,826.22

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Solution

The fourth proportional to 144,354.15, 199,207.62 and 79,826.22 is: 110,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,354.15 : 199,207.62 = 79,826.22 : x
  2. Step 2: Convert to fraction form
    144,354.15/199,207.62 = 79,826.22/x
  3. Step 3: Cross multiply
    144,354.15x = 199,207.62 × 79,826.22
  4. Step 4: Simplify right side
    144,354.15x = 15,901,991,299.80
  5. Step 5: Solve for x
    x = 15,901,991,299.80/144,354.15
  6. Step 6: Final answer
    x = 110,159.57

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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.