Home / 166,389.78-229,612.77-94,780.02

Finding the Fourth Proportional to 166,389.78, 229,612.77 and 94,780.02

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Solution

The fourth proportional to 166,389.78, 229,612.77 and 94,780.02 is: 130,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,389.78 : 229,612.77 = 94,780.02 : x
  2. Step 2: Convert to fraction form
    166,389.78/229,612.77 = 94,780.02/x
  3. Step 3: Cross multiply
    166,389.78x = 229,612.77 × 94,780.02
  4. Step 4: Simplify right side
    166,389.78x = 21,762,702,932.86
  5. Step 5: Solve for x
    x = 21,762,702,932.86/166,389.78
  6. Step 6: Final answer
    x = 130,793.51

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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.