Home / 169,330.40-253,997.13-73,249.68

Finding the Fourth Proportional to 169,330.40, 253,997.13 and 73,249.68

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Solution

The fourth proportional to 169,330.40, 253,997.13 and 73,249.68 is: 109,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,330.40 : 253,997.13 = 73,249.68 : x
  2. Step 2: Convert to fraction form
    169,330.40/253,997.13 = 73,249.68/x
  3. Step 3: Cross multiply
    169,330.40x = 253,997.13 × 73,249.68
  4. Step 4: Simplify right side
    169,330.40x = 18,605,208,493.42
  5. Step 5: Solve for x
    x = 18,605,208,493.42/169,330.40
  6. Step 6: Final answer
    x = 109,875.19

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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.