Home / 266,278.33-367,467.02-145,423.18

Finding the Fourth Proportional to 266,278.33, 367,467.02 and 145,423.18

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Solution

The fourth proportional to 266,278.33, 367,467.02 and 145,423.18 is: 200,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,278.33 : 367,467.02 = 145,423.18 : x
  2. Step 2: Convert to fraction form
    266,278.33/367,467.02 = 145,423.18/x
  3. Step 3: Cross multiply
    266,278.33x = 367,467.02 × 145,423.18
  4. Step 4: Simplify right side
    266,278.33x = 53,438,222,593.52
  5. Step 5: Solve for x
    x = 53,438,222,593.52/266,278.33
  6. Step 6: Final answer
    x = 200,685.59

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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.