Home / 146,766.74-220,078.89-71,799.08

Finding the Fourth Proportional to 146,766.74, 220,078.89 and 71,799.08

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Solution

The fourth proportional to 146,766.74, 220,078.89 and 71,799.08 is: 107,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,766.74 : 220,078.89 = 71,799.08 : x
  2. Step 2: Convert to fraction form
    146,766.74/220,078.89 = 71,799.08/x
  3. Step 3: Cross multiply
    146,766.74x = 220,078.89 × 71,799.08
  4. Step 4: Simplify right side
    146,766.74x = 15,801,460,729.03
  5. Step 5: Solve for x
    x = 15,801,460,729.03/146,766.74
  6. Step 6: Final answer
    x = 107,663.77

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1.5x scale

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.