Home / 112,246.60-168,564.30-108,747.40

Finding the Fourth Proportional to 112,246.60, 168,564.30 and 108,747.40

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Solution

The fourth proportional to 112,246.60, 168,564.30 and 108,747.40 is: 163,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,246.60 : 168,564.30 = 108,747.40 : x
  2. Step 2: Convert to fraction form
    112,246.60/168,564.30 = 108,747.40/x
  3. Step 3: Cross multiply
    112,246.60x = 168,564.30 × 108,747.40
  4. Step 4: Simplify right side
    112,246.60x = 18,330,929,357.82
  5. Step 5: Solve for x
    x = 18,330,929,357.82/112,246.60
  6. Step 6: Final answer
    x = 163,309.44

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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.