Home / 110,507.04-165,439.44-99,108.72

Finding the Fourth Proportional to 110,507.04, 165,439.44 and 99,108.72

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Solution

The fourth proportional to 110,507.04, 165,439.44 and 99,108.72 is: 148,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,507.04 : 165,439.44 = 99,108.72 : x
  2. Step 2: Convert to fraction form
    110,507.04/165,439.44 = 99,108.72/x
  3. Step 3: Cross multiply
    110,507.04x = 165,439.44 × 99,108.72
  4. Step 4: Simplify right side
    110,507.04x = 16,396,491,135.92
  5. Step 5: Solve for x
    x = 16,396,491,135.92/110,507.04
  6. Step 6: Final answer
    x = 148,375.08

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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.