Home / 266,773.28-368,158.92-153,632.48

Finding the Fourth Proportional to 266,773.28, 368,158.92 and 153,632.48

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Solution

The fourth proportional to 266,773.28, 368,158.92 and 153,632.48 is: 212,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,773.28 : 368,158.92 = 153,632.48 : x
  2. Step 2: Convert to fraction form
    266,773.28/368,158.92 = 153,632.48/x
  3. Step 3: Cross multiply
    266,773.28x = 368,158.92 × 153,632.48
  4. Step 4: Simplify right side
    266,773.28x = 56,561,167,913.72
  5. Step 5: Solve for x
    x = 56,561,167,913.72/266,773.28
  6. Step 6: Final answer
    x = 212,019.61

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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.