Home / 110,342.40-165,464.52-31,438.80

Finding the Fourth Proportional to 110,342.40, 165,464.52 and 31,438.80

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Solution

The fourth proportional to 110,342.40, 165,464.52 and 31,438.80 is: 47,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,342.40 : 165,464.52 = 31,438.80 : x
  2. Step 2: Convert to fraction form
    110,342.40/165,464.52 = 31,438.80/x
  3. Step 3: Cross multiply
    110,342.40x = 165,464.52 × 31,438.80
  4. Step 4: Simplify right side
    110,342.40x = 5,202,005,951.38
  5. Step 5: Solve for x
    x = 5,202,005,951.38/110,342.40
  6. Step 6: Final answer
    x = 47,144.22

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1.5x scale

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.