Home / 202,042.26-278,879.49-117,180.18

Finding the Fourth Proportional to 202,042.26, 278,879.49 and 117,180.18

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Solution

The fourth proportional to 202,042.26, 278,879.49 and 117,180.18 is: 161,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,042.26 : 278,879.49 = 117,180.18 : x
  2. Step 2: Convert to fraction form
    202,042.26/278,879.49 = 117,180.18/x
  3. Step 3: Cross multiply
    202,042.26x = 278,879.49 × 117,180.18
  4. Step 4: Simplify right side
    202,042.26x = 32,679,148,836.51
  5. Step 5: Solve for x
    x = 32,679,148,836.51/202,042.26
  6. Step 6: Final answer
    x = 161,744.13

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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.