Home / 266,839.37-368,235.26-145,979.27

Finding the Fourth Proportional to 266,839.37, 368,235.26 and 145,979.27

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Solution

The fourth proportional to 266,839.37, 368,235.26 and 145,979.27 is: 201,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,839.37 : 368,235.26 = 145,979.27 : x
  2. Step 2: Convert to fraction form
    266,839.37/368,235.26 = 145,979.27/x
  3. Step 3: Cross multiply
    266,839.37x = 368,235.26 × 145,979.27
  4. Step 4: Simplify right side
    266,839.37x = 53,754,711,871.99
  5. Step 5: Solve for x
    x = 53,754,711,871.99/266,839.37
  6. Step 6: Final answer
    x = 201,449.71

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1.5x scale

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.