Home / 178,255.44-245,939.76-101,772

Finding the Fourth Proportional to 178,255.44, 245,939.76 and 101,772

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Solution

The fourth proportional to 178,255.44, 245,939.76 and 101,772 is: 140,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,255.44 : 245,939.76 = 101,772 : x
  2. Step 2: Convert to fraction form
    178,255.44/245,939.76 = 101,772/x
  3. Step 3: Cross multiply
    178,255.44x = 245,939.76 × 101,772
  4. Step 4: Simplify right side
    178,255.44x = 25,029,781,254.72
  5. Step 5: Solve for x
    x = 25,029,781,254.72/178,255.44
  6. Step 6: Final answer
    x = 140,415.24

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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.