Home / 169,961.43-254,723.61-70,191.69

Finding the Fourth Proportional to 169,961.43, 254,723.61 and 70,191.69

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Solution

The fourth proportional to 169,961.43, 254,723.61 and 70,191.69 is: 105,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,961.43 : 254,723.61 = 70,191.69 : x
  2. Step 2: Convert to fraction form
    169,961.43/254,723.61 = 70,191.69/x
  3. Step 3: Cross multiply
    169,961.43x = 254,723.61 × 70,191.69
  4. Step 4: Simplify right side
    169,961.43x = 17,879,480,668.80
  5. Step 5: Solve for x
    x = 17,879,480,668.80/169,961.43
  6. Step 6: Final answer
    x = 105,197.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.