Home / 165,921.04-248,531.64-112,645.72

Finding the Fourth Proportional to 165,921.04, 248,531.64 and 112,645.72

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Solution

The fourth proportional to 165,921.04, 248,531.64 and 112,645.72 is: 168,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,921.04 : 248,531.64 = 112,645.72 : x
  2. Step 2: Convert to fraction form
    165,921.04/248,531.64 = 112,645.72/x
  3. Step 3: Cross multiply
    165,921.04x = 248,531.64 × 112,645.72
  4. Step 4: Simplify right side
    165,921.04x = 27,996,025,530.58
  5. Step 5: Solve for x
    x = 27,996,025,530.58/165,921.04
  6. Step 6: Final answer
    x = 168,731.02

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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.