Home / 266,431.41-367,682.49-145,577.79

Finding the Fourth Proportional to 266,431.41, 367,682.49 and 145,577.79

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Solution

The fourth proportional to 266,431.41, 367,682.49 and 145,577.79 is: 200,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,431.41 : 367,682.49 = 145,577.79 : x
  2. Step 2: Convert to fraction form
    266,431.41/367,682.49 = 145,577.79/x
  3. Step 3: Cross multiply
    266,431.41x = 367,682.49 × 145,577.79
  4. Step 4: Simplify right side
    266,431.41x = 53,526,404,315.90
  5. Step 5: Solve for x
    x = 53,526,404,315.90/266,431.41
  6. Step 6: Final answer
    x = 200,901.25

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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.