Home / 386,871.03-533,882.31-217,105.14

Finding the Fourth Proportional to 386,871.03, 533,882.31 and 217,105.14

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Solution

The fourth proportional to 386,871.03, 533,882.31 and 217,105.14 is: 299,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,871.03 : 533,882.31 = 217,105.14 : x
  2. Step 2: Convert to fraction form
    386,871.03/533,882.31 = 217,105.14/x
  3. Step 3: Cross multiply
    386,871.03x = 533,882.31 × 217,105.14
  4. Step 4: Simplify right side
    386,871.03x = 115,908,593,656.07
  5. Step 5: Solve for x
    x = 115,908,593,656.07/386,871.03
  6. Step 6: Final answer
    x = 299,605.26

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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.