Home / 266,977.42-368,428.50-150,715.33

Finding the Fourth Proportional to 266,977.42, 368,428.50 and 150,715.33

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Solution

The fourth proportional to 266,977.42, 368,428.50 and 150,715.33 is: 207,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,977.42 : 368,428.50 = 150,715.33 : x
  2. Step 2: Convert to fraction form
    266,977.42/368,428.50 = 150,715.33/x
  3. Step 3: Cross multiply
    266,977.42x = 368,428.50 × 150,715.33
  4. Step 4: Simplify right side
    266,977.42x = 55,527,824,110.24
  5. Step 5: Solve for x
    x = 55,527,824,110.24/266,977.42
  6. Step 6: Final answer
    x = 207,986.97

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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.