Home / 110,336.40-165,455.52-31,432.80

Finding the Fourth Proportional to 110,336.40, 165,455.52 and 31,432.80

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Solution

The fourth proportional to 110,336.40, 165,455.52 and 31,432.80 is: 47,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,336.40 : 165,455.52 = 31,432.80 : x
  2. Step 2: Convert to fraction form
    110,336.40/165,455.52 = 31,432.80/x
  3. Step 3: Cross multiply
    110,336.40x = 165,455.52 × 31,432.80
  4. Step 4: Simplify right side
    110,336.40x = 5,200,730,269.06
  5. Step 5: Solve for x
    x = 5,200,730,269.06/110,336.40
  6. Step 6: Final answer
    x = 47,135.22

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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.