Home / 179,243.10-247,432.05-127,593.54

Finding the Fourth Proportional to 179,243.10, 247,432.05 and 127,593.54

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Solution

The fourth proportional to 179,243.10, 247,432.05 and 127,593.54 is: 176,133.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,243.10 : 247,432.05 = 127,593.54 : x
  2. Step 2: Convert to fraction form
    179,243.10/247,432.05 = 127,593.54/x
  3. Step 3: Cross multiply
    179,243.10x = 247,432.05 × 127,593.54
  4. Step 4: Simplify right side
    179,243.10x = 31,570,731,168.96
  5. Step 5: Solve for x
    x = 31,570,731,168.96/179,243.10
  6. Step 6: Final answer
    x = 176,133.59

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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.