Home / 130,682.04-196,110.45-55,819.68

Finding the Fourth Proportional to 130,682.04, 196,110.45 and 55,819.68

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Solution

The fourth proportional to 130,682.04, 196,110.45 and 55,819.68 is: 83,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,682.04 : 196,110.45 = 55,819.68 : x
  2. Step 2: Convert to fraction form
    130,682.04/196,110.45 = 55,819.68/x
  3. Step 3: Cross multiply
    130,682.04x = 196,110.45 × 55,819.68
  4. Step 4: Simplify right side
    130,682.04x = 10,946,822,563.66
  5. Step 5: Solve for x
    x = 10,946,822,563.66/130,682.04
  6. Step 6: Final answer
    x = 83,766.85

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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.