Home / 146,565.18-202,449.78-108,402.30

Finding the Fourth Proportional to 146,565.18, 202,449.78 and 108,402.30

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Solution

The fourth proportional to 146,565.18, 202,449.78 and 108,402.30 is: 149,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,565.18 : 202,449.78 = 108,402.30 : x
  2. Step 2: Convert to fraction form
    146,565.18/202,449.78 = 108,402.30/x
  3. Step 3: Cross multiply
    146,565.18x = 202,449.78 × 108,402.30
  4. Step 4: Simplify right side
    146,565.18x = 21,946,021,786.49
  5. Step 5: Solve for x
    x = 21,946,021,786.49/146,565.18
  6. Step 6: Final answer
    x = 149,735.58

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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.