Home / 161,567.20-242,350.80-91,583.20

Finding the Fourth Proportional to 161,567.20, 242,350.80 and 91,583.20

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Solution

The fourth proportional to 161,567.20, 242,350.80 and 91,583.20 is: 137,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,567.20 : 242,350.80 = 91,583.20 : x
  2. Step 2: Convert to fraction form
    161,567.20/242,350.80 = 91,583.20/x
  3. Step 3: Cross multiply
    161,567.20x = 242,350.80 × 91,583.20
  4. Step 4: Simplify right side
    161,567.20x = 22,195,261,786.56
  5. Step 5: Solve for x
    x = 22,195,261,786.56/161,567.20
  6. Step 6: Final answer
    x = 137,374.80

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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.