Home / 480,022.60-720,033.90-164,432.20

Finding the Fourth Proportional to 480,022.60, 720,033.90 and 164,432.20

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Solution

The fourth proportional to 480,022.60, 720,033.90 and 164,432.20 is: 246,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,022.60 : 720,033.90 = 164,432.20 : x
  2. Step 2: Convert to fraction form
    480,022.60/720,033.90 = 164,432.20/x
  3. Step 3: Cross multiply
    480,022.60x = 720,033.90 × 164,432.20
  4. Step 4: Simplify right side
    480,022.60x = 118,396,758,251.58
  5. Step 5: Solve for x
    x = 118,396,758,251.58/480,022.60
  6. Step 6: Final answer
    x = 246,648.30

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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.