Home / 266,092.12-399,142.50-88,596.28

Finding the Fourth Proportional to 266,092.12, 399,142.50 and 88,596.28

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Solution

The fourth proportional to 266,092.12, 399,142.50 and 88,596.28 is: 132,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,092.12 : 399,142.50 = 88,596.28 : x
  2. Step 2: Convert to fraction form
    266,092.12/399,142.50 = 88,596.28/x
  3. Step 3: Cross multiply
    266,092.12x = 399,142.50 × 88,596.28
  4. Step 4: Simplify right side
    266,092.12x = 35,362,540,689.90
  5. Step 5: Solve for x
    x = 35,362,540,689.90/266,092.12
  6. Step 6: Final answer
    x = 132,895.86

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1.5x scale

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.