Home / 133,056.18-199,625.25-79,807.26

Finding the Fourth Proportional to 133,056.18, 199,625.25 and 79,807.26

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Solution

The fourth proportional to 133,056.18, 199,625.25 and 79,807.26 is: 119,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056.18 : 199,625.25 = 79,807.26 : x
  2. Step 2: Convert to fraction form
    133,056.18/199,625.25 = 79,807.26/x
  3. Step 3: Cross multiply
    133,056.18x = 199,625.25 × 79,807.26
  4. Step 4: Simplify right side
    133,056.18x = 15,931,544,229.32
  5. Step 5: Solve for x
    x = 15,931,544,229.32/133,056.18
  6. Step 6: Final answer
    x = 119,735.47

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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.