Home / 266,215.21-367,374.19-145,356.13

Finding the Fourth Proportional to 266,215.21, 367,374.19 and 145,356.13

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Solution

The fourth proportional to 266,215.21, 367,374.19 and 145,356.13 is: 200,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,215.21 : 367,374.19 = 145,356.13 : x
  2. Step 2: Convert to fraction form
    266,215.21/367,374.19 = 145,356.13/x
  3. Step 3: Cross multiply
    266,215.21x = 367,374.19 × 145,356.13
  4. Step 4: Simplify right side
    266,215.21x = 53,400,090,520.28
  5. Step 5: Solve for x
    x = 53,400,090,520.28/266,215.21
  6. Step 6: Final answer
    x = 200,589.93

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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.