Home / 110,629.40-165,944.10-73,231.70

Finding the Fourth Proportional to 110,629.40, 165,944.10 and 73,231.70

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Solution

The fourth proportional to 110,629.40, 165,944.10 and 73,231.70 is: 109,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,629.40 : 165,944.10 = 73,231.70 : x
  2. Step 2: Convert to fraction form
    110,629.40/165,944.10 = 73,231.70/x
  3. Step 3: Cross multiply
    110,629.40x = 165,944.10 × 73,231.70
  4. Step 4: Simplify right side
    110,629.40x = 12,152,368,547.97
  5. Step 5: Solve for x
    x = 12,152,368,547.97/110,629.40
  6. Step 6: Final answer
    x = 109,847.55

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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.