Home / 110,214.82-165,350-31,329.05

Finding the Fourth Proportional to 110,214.82, 165,350 and 31,329.05

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Solution

The fourth proportional to 110,214.82, 165,350 and 31,329.05 is: 47,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,214.82 : 165,350 = 31,329.05 : x
  2. Step 2: Convert to fraction form
    110,214.82/165,350 = 31,329.05/x
  3. Step 3: Cross multiply
    110,214.82x = 165,350 × 31,329.05
  4. Step 4: Simplify right side
    110,214.82x = 5,180,258,417.50
  5. Step 5: Solve for x
    x = 5,180,258,417.50/110,214.82
  6. Step 6: Final answer
    x = 47,001.47

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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.