Home / 133,072.60-199,280.85-88,457.80

Finding the Fourth Proportional to 133,072.60, 199,280.85 and 88,457.80

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Solution

The fourth proportional to 133,072.60, 199,280.85 and 88,457.80 is: 132,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,072.60 : 199,280.85 = 88,457.80 : x
  2. Step 2: Convert to fraction form
    133,072.60/199,280.85 = 88,457.80/x
  3. Step 3: Cross multiply
    133,072.60x = 199,280.85 × 88,457.80
  4. Step 4: Simplify right side
    133,072.60x = 17,627,945,573.13
  5. Step 5: Solve for x
    x = 17,627,945,573.13/133,072.60
  6. Step 6: Final answer
    x = 132,468.63

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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.