Home / 133,052.40-183,604.86-75,683.88

Finding the Fourth Proportional to 133,052.40, 183,604.86 and 75,683.88

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Solution

The fourth proportional to 133,052.40, 183,604.86 and 75,683.88 is: 104,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,052.40 : 183,604.86 = 75,683.88 : x
  2. Step 2: Convert to fraction form
    133,052.40/183,604.86 = 75,683.88/x
  3. Step 3: Cross multiply
    133,052.40x = 183,604.86 × 75,683.88
  4. Step 4: Simplify right side
    133,052.40x = 13,895,928,191.66
  5. Step 5: Solve for x
    x = 13,895,928,191.66/133,052.40
  6. Step 6: Final answer
    x = 104,439.52

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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.