Home / 109,464.05-164,196.08-84,540.47

Finding the Fourth Proportional to 109,464.05, 164,196.08 and 84,540.47

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Solution

The fourth proportional to 109,464.05, 164,196.08 and 84,540.47 is: 126,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,464.05 : 164,196.08 = 84,540.47 : x
  2. Step 2: Convert to fraction form
    109,464.05/164,196.08 = 84,540.47/x
  3. Step 3: Cross multiply
    109,464.05x = 164,196.08 × 84,540.47
  4. Step 4: Simplify right side
    109,464.05x = 13,881,212,531.67
  5. Step 5: Solve for x
    x = 13,881,212,531.67/109,464.05
  6. Step 6: Final answer
    x = 126,810.70

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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.