Home / 201,630.60-278,233.92-116,753.04

Finding the Fourth Proportional to 201,630.60, 278,233.92 and 116,753.04

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Solution

The fourth proportional to 201,630.60, 278,233.92 and 116,753.04 is: 161,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,630.60 : 278,233.92 = 116,753.04 : x
  2. Step 2: Convert to fraction form
    201,630.60/278,233.92 = 116,753.04/x
  3. Step 3: Cross multiply
    201,630.60x = 278,233.92 × 116,753.04
  4. Step 4: Simplify right side
    201,630.60x = 32,484,655,991.12
  5. Step 5: Solve for x
    x = 32,484,655,991.12/201,630.60
  6. Step 6: Final answer
    x = 161,109.75

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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.