Home / 174,712.32-262,204.56-121,777.20

Finding the Fourth Proportional to 174,712.32, 262,204.56 and 121,777.20

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Solution

The fourth proportional to 174,712.32, 262,204.56 and 121,777.20 is: 182,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,712.32 : 262,204.56 = 121,777.20 : x
  2. Step 2: Convert to fraction form
    174,712.32/262,204.56 = 121,777.20/x
  3. Step 3: Cross multiply
    174,712.32x = 262,204.56 × 121,777.20
  4. Step 4: Simplify right side
    174,712.32x = 31,930,537,144.03
  5. Step 5: Solve for x
    x = 31,930,537,144.03/174,712.32
  6. Step 6: Final answer
    x = 182,760.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.