Home / 266,240.12-367,401.72-145,379.24

Finding the Fourth Proportional to 266,240.12, 367,401.72 and 145,379.24

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Solution

The fourth proportional to 266,240.12, 367,401.72 and 145,379.24 is: 200,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,240.12 : 367,401.72 = 145,379.24 : x
  2. Step 2: Convert to fraction form
    266,240.12/367,401.72 = 145,379.24/x
  3. Step 3: Cross multiply
    266,240.12x = 367,401.72 × 145,379.24
  4. Step 4: Simplify right side
    266,240.12x = 53,412,582,828.29
  5. Step 5: Solve for x
    x = 53,412,582,828.29/266,240.12
  6. Step 6: Final answer
    x = 200,618.08

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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.