Home / 266,601.16-399,862.86-89,104.24

Finding the Fourth Proportional to 266,601.16, 399,862.86 and 89,104.24

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Solution

The fourth proportional to 266,601.16, 399,862.86 and 89,104.24 is: 133,643.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,601.16 : 399,862.86 = 89,104.24 : x
  2. Step 2: Convert to fraction form
    266,601.16/399,862.86 = 89,104.24/x
  3. Step 3: Cross multiply
    266,601.16x = 399,862.86 × 89,104.24
  4. Step 4: Simplify right side
    266,601.16x = 35,629,476,244.53
  5. Step 5: Solve for x
    x = 35,629,476,244.53/266,601.16
  6. Step 6: Final answer
    x = 133,643.37

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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.