Home / 155,626.72-233,512.97-76,697.89

Finding the Fourth Proportional to 155,626.72, 233,512.97 and 76,697.89

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Solution

The fourth proportional to 155,626.72, 233,512.97 and 76,697.89 is: 115,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,626.72 : 233,512.97 = 76,697.89 : x
  2. Step 2: Convert to fraction form
    155,626.72/233,512.97 = 76,697.89/x
  3. Step 3: Cross multiply
    155,626.72x = 233,512.97 × 76,697.89
  4. Step 4: Simplify right side
    155,626.72x = 17,909,951,110.81
  5. Step 5: Solve for x
    x = 17,909,951,110.81/155,626.72
  6. Step 6: Final answer
    x = 115,082.75

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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.