Home / 146,992.30-220,519.77-83,842.54

Finding the Fourth Proportional to 146,992.30, 220,519.77 and 83,842.54

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Solution

The fourth proportional to 146,992.30, 220,519.77 and 83,842.54 is: 125,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,992.30 : 220,519.77 = 83,842.54 : x
  2. Step 2: Convert to fraction form
    146,992.30/220,519.77 = 83,842.54/x
  3. Step 3: Cross multiply
    146,992.30x = 220,519.77 × 83,842.54
  4. Step 4: Simplify right side
    146,992.30x = 18,488,937,637.02
  5. Step 5: Solve for x
    x = 18,488,937,637.02/146,992.30
  6. Step 6: Final answer
    x = 125,781.67

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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.