Home / 386,926.92-533,933.12-214,836.02

Finding the Fourth Proportional to 386,926.92, 533,933.12 and 214,836.02

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Solution

The fourth proportional to 386,926.92, 533,933.12 and 214,836.02 is: 296,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,926.92 : 533,933.12 = 214,836.02 : x
  2. Step 2: Convert to fraction form
    386,926.92/533,933.12 = 214,836.02/x
  3. Step 3: Cross multiply
    386,926.92x = 533,933.12 × 214,836.02
  4. Step 4: Simplify right side
    386,926.92x = 114,708,066,446.98
  5. Step 5: Solve for x
    x = 114,708,066,446.98/386,926.92
  6. Step 6: Final answer
    x = 296,459.26

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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.