Home / 161,336.34-242,037.18-67,842

Finding the Fourth Proportional to 161,336.34, 242,037.18 and 67,842

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Solution

The fourth proportional to 161,336.34, 242,037.18 and 67,842 is: 101,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,336.34 : 242,037.18 = 67,842 : x
  2. Step 2: Convert to fraction form
    161,336.34/242,037.18 = 67,842/x
  3. Step 3: Cross multiply
    161,336.34x = 242,037.18 × 67,842
  4. Step 4: Simplify right side
    161,336.34x = 16,420,286,365.56
  5. Step 5: Solve for x
    x = 16,420,286,365.56/161,336.34
  6. Step 6: Final answer
    x = 101,776.74

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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.