Home / 155,824.70-233,749.20-67,081.10

Finding the Fourth Proportional to 155,824.70, 233,749.20 and 67,081.10

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Solution

The fourth proportional to 155,824.70, 233,749.20 and 67,081.10 is: 100,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,824.70 : 233,749.20 = 67,081.10 : x
  2. Step 2: Convert to fraction form
    155,824.70/233,749.20 = 67,081.10/x
  3. Step 3: Cross multiply
    155,824.70x = 233,749.20 × 67,081.10
  4. Step 4: Simplify right side
    155,824.70x = 15,680,153,460.12
  5. Step 5: Solve for x
    x = 15,680,153,460.12/155,824.70
  6. Step 6: Final answer
    x = 100,626.88

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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.