Home / 110,342.16-165,414.80-91,774.52

Finding the Fourth Proportional to 110,342.16, 165,414.80 and 91,774.52

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Solution

The fourth proportional to 110,342.16, 165,414.80 and 91,774.52 is: 137,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,342.16 : 165,414.80 = 91,774.52 : x
  2. Step 2: Convert to fraction form
    110,342.16/165,414.80 = 91,774.52/x
  3. Step 3: Cross multiply
    110,342.16x = 165,414.80 × 91,774.52
  4. Step 4: Simplify right side
    110,342.16x = 15,180,863,870.90
  5. Step 5: Solve for x
    x = 15,180,863,870.90/110,342.16
  6. Step 6: Final answer
    x = 137,579.90

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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.