Home / 201,913.38-278,630.49-117,058.02

Finding the Fourth Proportional to 201,913.38, 278,630.49 and 117,058.02

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Solution

The fourth proportional to 201,913.38, 278,630.49 and 117,058.02 is: 161,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,913.38 : 278,630.49 = 117,058.02 : x
  2. Step 2: Convert to fraction form
    201,913.38/278,630.49 = 117,058.02/x
  3. Step 3: Cross multiply
    201,913.38x = 278,630.49 × 117,058.02
  4. Step 4: Simplify right side
    201,913.38x = 32,615,933,471.03
  5. Step 5: Solve for x
    x = 32,615,933,471.03/201,913.38
  6. Step 6: Final answer
    x = 161,534.29

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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.