Home / 443,077.60-664,616.40-147,589.60

Finding the Fourth Proportional to 443,077.60, 664,616.40 and 147,589.60

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Solution

The fourth proportional to 443,077.60, 664,616.40 and 147,589.60 is: 221,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,077.60 : 664,616.40 = 147,589.60 : x
  2. Step 2: Convert to fraction form
    443,077.60/664,616.40 = 147,589.60/x
  3. Step 3: Cross multiply
    443,077.60x = 664,616.40 × 147,589.60
  4. Step 4: Simplify right side
    443,077.60x = 98,090,468,629.44
  5. Step 5: Solve for x
    x = 98,090,468,629.44/443,077.60
  6. Step 6: Final answer
    x = 221,384.40

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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.