Home / 110,414.80-165,622.20-40,321.45

Finding the Fourth Proportional to 110,414.80, 165,622.20 and 40,321.45

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Solution

The fourth proportional to 110,414.80, 165,622.20 and 40,321.45 is: 60,482.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,414.80 : 165,622.20 = 40,321.45 : x
  2. Step 2: Convert to fraction form
    110,414.80/165,622.20 = 40,321.45/x
  3. Step 3: Cross multiply
    110,414.80x = 165,622.20 × 40,321.45
  4. Step 4: Simplify right side
    110,414.80x = 6,678,127,256.19
  5. Step 5: Solve for x
    x = 6,678,127,256.19/110,414.80
  6. Step 6: Final answer
    x = 60,482.18

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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.