Home / 161,531.50-242,336.40-50,723.50

Finding the Fourth Proportional to 161,531.50, 242,336.40 and 50,723.50

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Solution

The fourth proportional to 161,531.50, 242,336.40 and 50,723.50 is: 76,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,531.50 : 242,336.40 = 50,723.50 : x
  2. Step 2: Convert to fraction form
    161,531.50/242,336.40 = 50,723.50/x
  3. Step 3: Cross multiply
    161,531.50x = 242,336.40 × 50,723.50
  4. Step 4: Simplify right side
    161,531.50x = 12,292,150,385.40
  5. Step 5: Solve for x
    x = 12,292,150,385.40/161,531.50
  6. Step 6: Final answer
    x = 76,097.54

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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.