Home / 165,742.87-248,660.20-65,973.13

Finding the Fourth Proportional to 165,742.87, 248,660.20 and 65,973.13

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Solution

The fourth proportional to 165,742.87, 248,660.20 and 65,973.13 is: 98,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742.87 : 248,660.20 = 65,973.13 : x
  2. Step 2: Convert to fraction form
    165,742.87/248,660.20 = 65,973.13/x
  3. Step 3: Cross multiply
    165,742.87x = 248,660.20 × 65,973.13
  4. Step 4: Simplify right side
    165,742.87x = 16,404,891,729.92
  5. Step 5: Solve for x
    x = 16,404,891,729.92/165,742.87
  6. Step 6: Final answer
    x = 98,977.96

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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.