Home / 386,515.94-533,290.49-223,132.42

Finding the Fourth Proportional to 386,515.94, 533,290.49 and 223,132.42

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Solution

The fourth proportional to 386,515.94, 533,290.49 and 223,132.42 is: 307,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,515.94 : 533,290.49 = 223,132.42 : x
  2. Step 2: Convert to fraction form
    386,515.94/533,290.49 = 223,132.42/x
  3. Step 3: Cross multiply
    386,515.94x = 533,290.49 × 223,132.42
  4. Step 4: Simplify right side
    386,515.94x = 118,994,397,596.69
  5. Step 5: Solve for x
    x = 118,994,397,596.69/386,515.94
  6. Step 6: Final answer
    x = 307,864.14

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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.