Home / 432,921.66-649,467.54-133,351.26

Finding the Fourth Proportional to 432,921.66, 649,467.54 and 133,351.26

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Solution

The fourth proportional to 432,921.66, 649,467.54 and 133,351.26 is: 200,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,921.66 : 649,467.54 = 133,351.26 : x
  2. Step 2: Convert to fraction form
    432,921.66/649,467.54 = 133,351.26/x
  3. Step 3: Cross multiply
    432,921.66x = 649,467.54 × 133,351.26
  4. Step 4: Simplify right side
    432,921.66x = 86,607,314,788.10
  5. Step 5: Solve for x
    x = 86,607,314,788.10/432,921.66
  6. Step 6: Final answer
    x = 200,053.09

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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.