Home / 266,560.26-399,998.30-98,198.93

Finding the Fourth Proportional to 266,560.26, 399,998.30 and 98,198.93

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Solution

The fourth proportional to 266,560.26, 399,998.30 and 98,198.93 is: 147,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,560.26 : 399,998.30 = 98,198.93 : x
  2. Step 2: Convert to fraction form
    266,560.26/399,998.30 = 98,198.93/x
  3. Step 3: Cross multiply
    266,560.26x = 399,998.30 × 98,198.93
  4. Step 4: Simplify right side
    266,560.26x = 39,279,402,570.83
  5. Step 5: Solve for x
    x = 39,279,402,570.83/266,560.26
  6. Step 6: Final answer
    x = 147,356.56

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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.