Home / 177,789.80-245,346.37-97,216.47

Finding the Fourth Proportional to 177,789.80, 245,346.37 and 97,216.47

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Solution

The fourth proportional to 177,789.80, 245,346.37 and 97,216.47 is: 134,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,789.80 : 245,346.37 = 97,216.47 : x
  2. Step 2: Convert to fraction form
    177,789.80/245,346.37 = 97,216.47/x
  3. Step 3: Cross multiply
    177,789.80x = 245,346.37 × 97,216.47
  4. Step 4: Simplify right side
    177,789.80x = 23,851,707,775.67
  5. Step 5: Solve for x
    x = 23,851,707,775.67/177,789.80
  6. Step 6: Final answer
    x = 134,156.78

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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.