Home / 330,766.66-456,458.00-187,526.71

Finding the Fourth Proportional to 330,766.66, 456,458.00 and 187,526.71

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Solution

The fourth proportional to 330,766.66, 456,458.00 and 187,526.71 is: 258,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,766.66 : 456,458.00 = 187,526.71 : x
  2. Step 2: Convert to fraction form
    330,766.66/456,458.00 = 187,526.71/x
  3. Step 3: Cross multiply
    330,766.66x = 456,458.00 × 187,526.71
  4. Step 4: Simplify right side
    330,766.66x = 85,598,064,964.15
  5. Step 5: Solve for x
    x = 85,598,064,964.15/330,766.66
  6. Step 6: Final answer
    x = 258,786.86

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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.