Home / 119,201.47-164,451.40-68,186.97

Finding the Fourth Proportional to 119,201.47, 164,451.40 and 68,186.97

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Solution

The fourth proportional to 119,201.47, 164,451.40 and 68,186.97 is: 94,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,201.47 : 164,451.40 = 68,186.97 : x
  2. Step 2: Convert to fraction form
    119,201.47/164,451.40 = 68,186.97/x
  3. Step 3: Cross multiply
    119,201.47x = 164,451.40 × 68,186.97
  4. Step 4: Simplify right side
    119,201.47x = 11,213,442,507.79
  5. Step 5: Solve for x
    x = 11,213,442,507.79/119,201.47
  6. Step 6: Final answer
    x = 94,071.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.