Home / 179,172.86-247,267.56-102,700.76

Finding the Fourth Proportional to 179,172.86, 247,267.56 and 102,700.76

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Solution

The fourth proportional to 179,172.86, 247,267.56 and 102,700.76 is: 141,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,172.86 : 247,267.56 = 102,700.76 : x
  2. Step 2: Convert to fraction form
    179,172.86/247,267.56 = 102,700.76/x
  3. Step 3: Cross multiply
    179,172.86x = 247,267.56 × 102,700.76
  4. Step 4: Simplify right side
    179,172.86x = 25,394,565,099.01
  5. Step 5: Solve for x
    x = 25,394,565,099.01/179,172.86
  6. Step 6: Final answer
    x = 141,732.21

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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.