Home / 110,573.53-165,617.18-91,380.65

Finding the Fourth Proportional to 110,573.53, 165,617.18 and 91,380.65

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Solution

The fourth proportional to 110,573.53, 165,617.18 and 91,380.65 is: 136,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,573.53 : 165,617.18 = 91,380.65 : x
  2. Step 2: Convert to fraction form
    110,573.53/165,617.18 = 91,380.65/x
  3. Step 3: Cross multiply
    110,573.53x = 165,617.18 × 91,380.65
  4. Step 4: Simplify right side
    110,573.53x = 15,134,204,274.58
  5. Step 5: Solve for x
    x = 15,134,204,274.58/110,573.53
  6. Step 6: Final answer
    x = 136,870.05

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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.