Home / 386,861.58-533,844.92-214,769.50

Finding the Fourth Proportional to 386,861.58, 533,844.92 and 214,769.50

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Solution

The fourth proportional to 386,861.58, 533,844.92 and 214,769.50 is: 296,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,861.58 : 533,844.92 = 214,769.50 : x
  2. Step 2: Convert to fraction form
    386,861.58/533,844.92 = 214,769.50/x
  3. Step 3: Cross multiply
    386,861.58x = 533,844.92 × 214,769.50
  4. Step 4: Simplify right side
    386,861.58x = 114,653,606,545.94
  5. Step 5: Solve for x
    x = 114,653,606,545.94/386,861.58
  6. Step 6: Final answer
    x = 296,368.55

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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.