Home / 108,844.84-163,204.40-42,207.12

Finding the Fourth Proportional to 108,844.84, 163,204.40 and 42,207.12

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Solution

The fourth proportional to 108,844.84, 163,204.40 and 42,207.12 is: 63,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,844.84 : 163,204.40 = 42,207.12 : x
  2. Step 2: Convert to fraction form
    108,844.84/163,204.40 = 42,207.12/x
  3. Step 3: Cross multiply
    108,844.84x = 163,204.40 × 42,207.12
  4. Step 4: Simplify right side
    108,844.84x = 6,888,387,695.33
  5. Step 5: Solve for x
    x = 6,888,387,695.33/108,844.84
  6. Step 6: Final answer
    x = 63,286.30

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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.