Home / 243,887.05-336,416.79-161,101.54

Finding the Fourth Proportional to 243,887.05, 336,416.79 and 161,101.54

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Solution

The fourth proportional to 243,887.05, 336,416.79 and 161,101.54 is: 222,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,887.05 : 336,416.79 = 161,101.54 : x
  2. Step 2: Convert to fraction form
    243,887.05/336,416.79 = 161,101.54/x
  3. Step 3: Cross multiply
    243,887.05x = 336,416.79 × 161,101.54
  4. Step 4: Simplify right side
    243,887.05x = 54,197,262,950.86
  5. Step 5: Solve for x
    x = 54,197,262,950.86/243,887.05
  6. Step 6: Final answer
    x = 222,222.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.