Home / 179,400.78-247,574.34-102,923.22

Finding the Fourth Proportional to 179,400.78, 247,574.34 and 102,923.22

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Solution

The fourth proportional to 179,400.78, 247,574.34 and 102,923.22 is: 142,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,400.78 : 247,574.34 = 102,923.22 : x
  2. Step 2: Convert to fraction form
    179,400.78/247,574.34 = 102,923.22/x
  3. Step 3: Cross multiply
    179,400.78x = 247,574.34 × 102,923.22
  4. Step 4: Simplify right side
    179,400.78x = 25,481,148,262.17
  5. Step 5: Solve for x
    x = 25,481,148,262.17/179,400.78
  6. Step 6: Final answer
    x = 142,034.77

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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.