Home / 155,407.70-233,182.28-75,402.48

Finding the Fourth Proportional to 155,407.70, 233,182.28 and 75,402.48

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Solution

The fourth proportional to 155,407.70, 233,182.28 and 75,402.48 is: 113,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,407.70 : 233,182.28 = 75,402.48 : x
  2. Step 2: Convert to fraction form
    155,407.70/233,182.28 = 75,402.48/x
  3. Step 3: Cross multiply
    155,407.70x = 233,182.28 × 75,402.48
  4. Step 4: Simplify right side
    155,407.70x = 17,582,522,204.05
  5. Step 5: Solve for x
    x = 17,582,522,204.05/155,407.70
  6. Step 6: Final answer
    x = 113,138.04

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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.