Home / 161,901.52-242,704.32-56,663.12

Finding the Fourth Proportional to 161,901.52, 242,704.32 and 56,663.12

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Solution

The fourth proportional to 161,901.52, 242,704.32 and 56,663.12 is: 84,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,901.52 : 242,704.32 = 56,663.12 : x
  2. Step 2: Convert to fraction form
    161,901.52/242,704.32 = 56,663.12/x
  3. Step 3: Cross multiply
    161,901.52x = 242,704.32 × 56,663.12
  4. Step 4: Simplify right side
    161,901.52x = 13,752,384,008.68
  5. Step 5: Solve for x
    x = 13,752,384,008.68/161,901.52
  6. Step 6: Final answer
    x = 84,942.90

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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.