Home / 135,756.06-186,679.03-117,819.92

Finding the Fourth Proportional to 135,756.06, 186,679.03 and 117,819.92

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Solution

The fourth proportional to 135,756.06, 186,679.03 and 117,819.92 is: 162,014.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,756.06 : 186,679.03 = 117,819.92 : x
  2. Step 2: Convert to fraction form
    135,756.06/186,679.03 = 117,819.92/x
  3. Step 3: Cross multiply
    135,756.06x = 186,679.03 × 117,819.92
  4. Step 4: Simplify right side
    135,756.06x = 21,994,508,380.28
  5. Step 5: Solve for x
    x = 21,994,508,380.28/135,756.06
  6. Step 6: Final answer
    x = 162,014.93

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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.