Home / 161,747.20-242,653.20-135,632.80

Finding the Fourth Proportional to 161,747.20, 242,653.20 and 135,632.80

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Solution

The fourth proportional to 161,747.20, 242,653.20 and 135,632.80 is: 203,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,747.20 : 242,653.20 = 135,632.80 : x
  2. Step 2: Convert to fraction form
    161,747.20/242,653.20 = 135,632.80/x
  3. Step 3: Cross multiply
    161,747.20x = 242,653.20 × 135,632.80
  4. Step 4: Simplify right side
    161,747.20x = 32,911,732,944.96
  5. Step 5: Solve for x
    x = 32,911,732,944.96/161,747.20
  6. Step 6: Final answer
    x = 203,476.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.