Home / 178,168.83-245,876.96-101,686.39

Finding the Fourth Proportional to 178,168.83, 245,876.96 and 101,686.39

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Solution

The fourth proportional to 178,168.83, 245,876.96 and 101,686.39 is: 140,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,168.83 : 245,876.96 = 101,686.39 : x
  2. Step 2: Convert to fraction form
    178,168.83/245,876.96 = 101,686.39/x
  3. Step 3: Cross multiply
    178,168.83x = 245,876.96 × 101,686.39
  4. Step 4: Simplify right side
    178,168.83x = 25,002,341,570.54
  5. Step 5: Solve for x
    x = 25,002,341,570.54/178,168.83
  6. Step 6: Final answer
    x = 140,329.49

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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.