Home / 133,061.84-199,592.20-54,157.36

Finding the Fourth Proportional to 133,061.84, 199,592.20 and 54,157.36

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Solution

The fourth proportional to 133,061.84, 199,592.20 and 54,157.36 is: 81,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,061.84 : 199,592.20 = 54,157.36 : x
  2. Step 2: Convert to fraction form
    133,061.84/199,592.20 = 54,157.36/x
  3. Step 3: Cross multiply
    133,061.84x = 199,592.20 × 54,157.36
  4. Step 4: Simplify right side
    133,061.84x = 10,809,386,628.59
  5. Step 5: Solve for x
    x = 10,809,386,628.59/133,061.84
  6. Step 6: Final answer
    x = 81,235.81

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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.