Home / 266,255.18-367,418.46-145,373.18

Finding the Fourth Proportional to 266,255.18, 367,418.46 and 145,373.18

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Solution

The fourth proportional to 266,255.18, 367,418.46 and 145,373.18 is: 200,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,255.18 : 367,418.46 = 145,373.18 : x
  2. Step 2: Convert to fraction form
    266,255.18/367,418.46 = 145,373.18/x
  3. Step 3: Cross multiply
    266,255.18x = 367,418.46 × 145,373.18
  4. Step 4: Simplify right side
    266,255.18x = 53,412,789,920.90
  5. Step 5: Solve for x
    x = 53,412,789,920.90/266,255.18
  6. Step 6: Final answer
    x = 200,607.51

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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.