Home / 393,231.25-589,849.04-97,743.25

Finding the Fourth Proportional to 393,231.25, 589,849.04 and 97,743.25

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Solution

The fourth proportional to 393,231.25, 589,849.04 and 97,743.25 is: 146,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,231.25 : 589,849.04 = 97,743.25 : x
  2. Step 2: Convert to fraction form
    393,231.25/589,849.04 = 97,743.25/x
  3. Step 3: Cross multiply
    393,231.25x = 589,849.04 × 97,743.25
  4. Step 4: Simplify right side
    393,231.25x = 57,653,762,178.98
  5. Step 5: Solve for x
    x = 57,653,762,178.98/393,231.25
  6. Step 6: Final answer
    x = 146,615.41

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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.