Home / 110,270.27-165,411.66-31,378.25

Finding the Fourth Proportional to 110,270.27, 165,411.66 and 31,378.25

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Solution

The fourth proportional to 110,270.27, 165,411.66 and 31,378.25 is: 47,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,270.27 : 165,411.66 = 31,378.25 : x
  2. Step 2: Convert to fraction form
    110,270.27/165,411.66 = 31,378.25/x
  3. Step 3: Cross multiply
    110,270.27x = 165,411.66 × 31,378.25
  4. Step 4: Simplify right side
    110,270.27x = 5,190,328,420.40
  5. Step 5: Solve for x
    x = 5,190,328,420.40/110,270.27
  6. Step 6: Final answer
    x = 47,069.15

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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.