Home / 161,683.20-242,524.80-50,875.20

Finding the Fourth Proportional to 161,683.20, 242,524.80 and 50,875.20

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Solution

The fourth proportional to 161,683.20, 242,524.80 and 50,875.20 is: 76,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,683.20 : 242,524.80 = 50,875.20 : x
  2. Step 2: Convert to fraction form
    161,683.20/242,524.80 = 50,875.20/x
  3. Step 3: Cross multiply
    161,683.20x = 242,524.80 × 50,875.20
  4. Step 4: Simplify right side
    161,683.20x = 12,338,497,704.96
  5. Step 5: Solve for x
    x = 12,338,497,704.96/161,683.20
  6. Step 6: Final answer
    x = 76,312.80

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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.