Home / 202,036.44-278,805.90-117,161.40

Finding the Fourth Proportional to 202,036.44, 278,805.90 and 117,161.40

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Solution

The fourth proportional to 202,036.44, 278,805.90 and 117,161.40 is: 161,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,036.44 : 278,805.90 = 117,161.40 : x
  2. Step 2: Convert to fraction form
    202,036.44/278,805.90 = 117,161.40/x
  3. Step 3: Cross multiply
    202,036.44x = 278,805.90 × 117,161.40
  4. Step 4: Simplify right side
    202,036.44x = 32,665,289,572.26
  5. Step 5: Solve for x
    x = 32,665,289,572.26/202,036.44
  6. Step 6: Final answer
    x = 161,680.19

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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.