Home / 385,185.36-531,388.62-232,136.58

Finding the Fourth Proportional to 385,185.36, 531,388.62 and 232,136.58

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Solution

The fourth proportional to 385,185.36, 531,388.62 and 232,136.58 is: 320,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,185.36 : 531,388.62 = 232,136.58 : x
  2. Step 2: Convert to fraction form
    385,185.36/531,388.62 = 232,136.58/x
  3. Step 3: Cross multiply
    385,185.36x = 531,388.62 × 232,136.58
  4. Step 4: Simplify right side
    385,185.36x = 123,354,736,897.72
  5. Step 5: Solve for x
    x = 123,354,736,897.72/385,185.36
  6. Step 6: Final answer
    x = 320,247.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.