Home / 266,427.45-367,665.53-145,566.13

Finding the Fourth Proportional to 266,427.45, 367,665.53 and 145,566.13

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Solution

The fourth proportional to 266,427.45, 367,665.53 and 145,566.13 is: 200,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,427.45 : 367,665.53 = 145,566.13 : x
  2. Step 2: Convert to fraction form
    266,427.45/367,665.53 = 145,566.13/x
  3. Step 3: Cross multiply
    266,427.45x = 367,665.53 × 145,566.13
  4. Step 4: Simplify right side
    266,427.45x = 53,519,647,608.67
  5. Step 5: Solve for x
    x = 53,519,647,608.67/266,427.45
  6. Step 6: Final answer
    x = 200,878.88

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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.