Home / 133,297.92-183,997.44-76,731.84

Finding the Fourth Proportional to 133,297.92, 183,997.44 and 76,731.84

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Solution

The fourth proportional to 133,297.92, 183,997.44 and 76,731.84 is: 105,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,297.92 : 183,997.44 = 76,731.84 : x
  2. Step 2: Convert to fraction form
    133,297.92/183,997.44 = 76,731.84/x
  3. Step 3: Cross multiply
    133,297.92x = 183,997.44 × 76,731.84
  4. Step 4: Simplify right side
    133,297.92x = 14,118,462,126.49
  5. Step 5: Solve for x
    x = 14,118,462,126.49/133,297.92
  6. Step 6: Final answer
    x = 105,916.60

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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.