Home / 179,151.41-247,200.69-102,655.79

Finding the Fourth Proportional to 179,151.41, 247,200.69 and 102,655.79

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Solution

The fourth proportional to 179,151.41, 247,200.69 and 102,655.79 is: 141,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,151.41 : 247,200.69 = 102,655.79 : x
  2. Step 2: Convert to fraction form
    179,151.41/247,200.69 = 102,655.79/x
  3. Step 3: Cross multiply
    179,151.41x = 247,200.69 × 102,655.79
  4. Step 4: Simplify right side
    179,151.41x = 25,376,582,120.50
  5. Step 5: Solve for x
    x = 25,376,582,120.50/179,151.41
  6. Step 6: Final answer
    x = 141,648.80

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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.