Home / 443,141.19-664,572.36-143,552.26

Finding the Fourth Proportional to 443,141.19, 664,572.36 and 143,552.26

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Solution

The fourth proportional to 443,141.19, 664,572.36 and 143,552.26 is: 215,283.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,141.19 : 664,572.36 = 143,552.26 : x
  2. Step 2: Convert to fraction form
    443,141.19/664,572.36 = 143,552.26/x
  3. Step 3: Cross multiply
    443,141.19x = 664,572.36 × 143,552.26
  4. Step 4: Simplify right side
    443,141.19x = 95,400,865,872.96
  5. Step 5: Solve for x
    x = 95,400,865,872.96/443,141.19
  6. Step 6: Final answer
    x = 215,283.23

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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.