Home / 266,613.30-399,477.06-187,561.44

Finding the Fourth Proportional to 266,613.30, 399,477.06 and 187,561.44

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Solution

The fourth proportional to 266,613.30, 399,477.06 and 187,561.44 is: 281,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,613.30 : 399,477.06 = 187,561.44 : x
  2. Step 2: Convert to fraction form
    266,613.30/399,477.06 = 187,561.44/x
  3. Step 3: Cross multiply
    266,613.30x = 399,477.06 × 187,561.44
  4. Step 4: Simplify right side
    266,613.30x = 74,926,492,620.57
  5. Step 5: Solve for x
    x = 74,926,492,620.57/266,613.30
  6. Step 6: Final answer
    x = 281,030.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.