Home / 133,327.68-183,990.24-72,898.56

Finding the Fourth Proportional to 133,327.68, 183,990.24 and 72,898.56

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Solution

The fourth proportional to 133,327.68, 183,990.24 and 72,898.56 is: 100,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,327.68 : 183,990.24 = 72,898.56 : x
  2. Step 2: Convert to fraction form
    133,327.68/183,990.24 = 72,898.56/x
  3. Step 3: Cross multiply
    133,327.68x = 183,990.24 × 72,898.56
  4. Step 4: Simplify right side
    133,327.68x = 13,412,623,550.05
  5. Step 5: Solve for x
    x = 13,412,623,550.05/133,327.68
  6. Step 6: Final answer
    x = 100,598.94

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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.