Home / 386,253.11-533,019.74-214,171.79

Finding the Fourth Proportional to 386,253.11, 533,019.74 and 214,171.79

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Solution

The fourth proportional to 386,253.11, 533,019.74 and 214,171.79 is: 295,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,253.11 : 533,019.74 = 214,171.79 : x
  2. Step 2: Convert to fraction form
    386,253.11/533,019.74 = 214,171.79/x
  3. Step 3: Cross multiply
    386,253.11x = 533,019.74 × 214,171.79
  4. Step 4: Simplify right side
    386,253.11x = 114,157,788,085.18
  5. Step 5: Solve for x
    x = 114,157,788,085.18/386,253.11
  6. Step 6: Final answer
    x = 295,551.77

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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.