Home / 112,161.26-168,273.68-45,649.13

Finding the Fourth Proportional to 112,161.26, 168,273.68 and 45,649.13

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Solution

The fourth proportional to 112,161.26, 168,273.68 and 45,649.13 is: 68,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,161.26 : 168,273.68 = 45,649.13 : x
  2. Step 2: Convert to fraction form
    112,161.26/168,273.68 = 45,649.13/x
  3. Step 3: Cross multiply
    112,161.26x = 168,273.68 × 45,649.13
  4. Step 4: Simplify right side
    112,161.26x = 7,681,546,366.65
  5. Step 5: Solve for x
    x = 7,681,546,366.65/112,161.26
  6. Step 6: Final answer
    x = 68,486.63

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1.5x scale

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.