Home / 306,914.28-423,562.92-186,060.66

Finding the Fourth Proportional to 306,914.28, 423,562.92 and 186,060.66

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Solution

The fourth proportional to 306,914.28, 423,562.92 and 186,060.66 is: 256,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,914.28 : 423,562.92 = 186,060.66 : x
  2. Step 2: Convert to fraction form
    306,914.28/423,562.92 = 186,060.66/x
  3. Step 3: Cross multiply
    306,914.28x = 423,562.92 × 186,060.66
  4. Step 4: Simplify right side
    306,914.28x = 78,808,396,446.73
  5. Step 5: Solve for x
    x = 78,808,396,446.73/306,914.28
  6. Step 6: Final answer
    x = 256,776.57

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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.