Home / 382,931.07-574,396.33-172,322.97

Finding the Fourth Proportional to 382,931.07, 574,396.33 and 172,322.97

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Solution

The fourth proportional to 382,931.07, 574,396.33 and 172,322.97 is: 258,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,931.07 : 574,396.33 = 172,322.97 : x
  2. Step 2: Convert to fraction form
    382,931.07/574,396.33 = 172,322.97/x
  3. Step 3: Cross multiply
    382,931.07x = 574,396.33 × 172,322.97
  4. Step 4: Simplify right side
    382,931.07x = 98,981,681,542.70
  5. Step 5: Solve for x
    x = 98,981,681,542.70/382,931.07
  6. Step 6: Final answer
    x = 258,484.33

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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.