Home / 112,150.40-168,317.40-111,275.60

Finding the Fourth Proportional to 112,150.40, 168,317.40 and 111,275.60

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Solution

The fourth proportional to 112,150.40, 168,317.40 and 111,275.60 is: 167,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,150.40 : 168,317.40 = 111,275.60 : x
  2. Step 2: Convert to fraction form
    112,150.40/168,317.40 = 111,275.60/x
  3. Step 3: Cross multiply
    112,150.40x = 168,317.40 × 111,275.60
  4. Step 4: Simplify right side
    112,150.40x = 18,729,619,675.44
  5. Step 5: Solve for x
    x = 18,729,619,675.44/112,150.40
  6. Step 6: Final answer
    x = 167,004.48

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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.