Home / 166,550.34-229,844.91-91,098.78

Finding the Fourth Proportional to 166,550.34, 229,844.91 and 91,098.78

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Solution

The fourth proportional to 166,550.34, 229,844.91 and 91,098.78 is: 125,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,550.34 : 229,844.91 = 91,098.78 : x
  2. Step 2: Convert to fraction form
    166,550.34/229,844.91 = 91,098.78/x
  3. Step 3: Cross multiply
    166,550.34x = 229,844.91 × 91,098.78
  4. Step 4: Simplify right side
    166,550.34x = 20,938,590,890.21
  5. Step 5: Solve for x
    x = 20,938,590,890.21/166,550.34
  6. Step 6: Final answer
    x = 125,719.29

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1.5x scale

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.