Home / 165,306.81-247,959.14-45,354.39

Finding the Fourth Proportional to 165,306.81, 247,959.14 and 45,354.39

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Solution

The fourth proportional to 165,306.81, 247,959.14 and 45,354.39 is: 68,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,306.81 : 247,959.14 = 45,354.39 : x
  2. Step 2: Convert to fraction form
    165,306.81/247,959.14 = 45,354.39/x
  3. Step 3: Cross multiply
    165,306.81x = 247,959.14 × 45,354.39
  4. Step 4: Simplify right side
    165,306.81x = 11,246,034,383.01
  5. Step 5: Solve for x
    x = 11,246,034,383.01/165,306.81
  6. Step 6: Final answer
    x = 68,031.28

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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.