Home / 132,750.05-199,225.32-90,530.02

Finding the Fourth Proportional to 132,750.05, 199,225.32 and 90,530.02

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Solution

The fourth proportional to 132,750.05, 199,225.32 and 90,530.02 is: 135,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,750.05 : 199,225.32 = 90,530.02 : x
  2. Step 2: Convert to fraction form
    132,750.05/199,225.32 = 90,530.02/x
  3. Step 3: Cross multiply
    132,750.05x = 199,225.32 × 90,530.02
  4. Step 4: Simplify right side
    132,750.05x = 18,035,870,755.33
  5. Step 5: Solve for x
    x = 18,035,870,755.33/132,750.05
  6. Step 6: Final answer
    x = 135,863.38

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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.