Home / 161,552.96-242,368.32-68,085.44

Finding the Fourth Proportional to 161,552.96, 242,368.32 and 68,085.44

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Solution

The fourth proportional to 161,552.96, 242,368.32 and 68,085.44 is: 102,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,552.96 : 242,368.32 = 68,085.44 : x
  2. Step 2: Convert to fraction form
    161,552.96/242,368.32 = 68,085.44/x
  3. Step 3: Cross multiply
    161,552.96x = 242,368.32 × 68,085.44
  4. Step 4: Simplify right side
    161,552.96x = 16,501,753,709.26
  5. Step 5: Solve for x
    x = 16,501,753,709.26/161,552.96
  6. Step 6: Final answer
    x = 102,144.55

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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.