Home / 304,931.33-457,815.99-155,272.22

Finding the Fourth Proportional to 304,931.33, 457,815.99 and 155,272.22

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Solution

The fourth proportional to 304,931.33, 457,815.99 and 155,272.22 is: 233,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,931.33 : 457,815.99 = 155,272.22 : x
  2. Step 2: Convert to fraction form
    304,931.33/457,815.99 = 155,272.22/x
  3. Step 3: Cross multiply
    304,931.33x = 457,815.99 × 155,272.22
  4. Step 4: Simplify right side
    304,931.33x = 71,086,105,118.80
  5. Step 5: Solve for x
    x = 71,086,105,118.80/304,931.33
  6. Step 6: Final answer
    x = 233,121.68

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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.