Home / 185,747.83-256,334.98-105,173.20

Finding the Fourth Proportional to 185,747.83, 256,334.98 and 105,173.20

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Solution

The fourth proportional to 185,747.83, 256,334.98 and 105,173.20 is: 145,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,747.83 : 256,334.98 = 105,173.20 : x
  2. Step 2: Convert to fraction form
    185,747.83/256,334.98 = 105,173.20/x
  3. Step 3: Cross multiply
    185,747.83x = 256,334.98 × 105,173.20
  4. Step 4: Simplify right side
    185,747.83x = 26,959,568,836.86
  5. Step 5: Solve for x
    x = 26,959,568,836.86/185,747.83
  6. Step 6: Final answer
    x = 145,140.70

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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.