Home / 161,508.27-242,243.95-43,188.84

Finding the Fourth Proportional to 161,508.27, 242,243.95 and 43,188.84

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Solution

The fourth proportional to 161,508.27, 242,243.95 and 43,188.84 is: 64,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,508.27 : 242,243.95 = 43,188.84 : x
  2. Step 2: Convert to fraction form
    161,508.27/242,243.95 = 43,188.84/x
  3. Step 3: Cross multiply
    161,508.27x = 242,243.95 × 43,188.84
  4. Step 4: Simplify right side
    161,508.27x = 10,462,235,197.52
  5. Step 5: Solve for x
    x = 10,462,235,197.52/161,508.27
  6. Step 6: Final answer
    x = 64,778.32

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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.