Home / 166,341.92-229,551.80-90,890.42

Finding the Fourth Proportional to 166,341.92, 229,551.80 and 90,890.42

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Solution

The fourth proportional to 166,341.92, 229,551.80 and 90,890.42 is: 125,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,341.92 : 229,551.80 = 90,890.42 : x
  2. Step 2: Convert to fraction form
    166,341.92/229,551.80 = 90,890.42/x
  3. Step 3: Cross multiply
    166,341.92x = 229,551.80 × 90,890.42
  4. Step 4: Simplify right side
    166,341.92x = 20,864,057,911.54
  5. Step 5: Solve for x
    x = 20,864,057,911.54/166,341.92
  6. Step 6: Final answer
    x = 125,428.75

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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.