Home / 161,922.03-242,879.40-73,151.70

Finding the Fourth Proportional to 161,922.03, 242,879.40 and 73,151.70

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Solution

The fourth proportional to 161,922.03, 242,879.40 and 73,151.70 is: 109,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,922.03 : 242,879.40 = 73,151.70 : x
  2. Step 2: Convert to fraction form
    161,922.03/242,879.40 = 73,151.70/x
  3. Step 3: Cross multiply
    161,922.03x = 242,879.40 × 73,151.70
  4. Step 4: Simplify right side
    161,922.03x = 17,767,041,004.98
  5. Step 5: Solve for x
    x = 17,767,041,004.98/161,922.03
  6. Step 6: Final answer
    x = 109,725.90

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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.