Home / 132,530.06-198,858.95-65,976.05

Finding the Fourth Proportional to 132,530.06, 198,858.95 and 65,976.05

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Solution

The fourth proportional to 132,530.06, 198,858.95 and 65,976.05 is: 98,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,530.06 : 198,858.95 = 65,976.05 : x
  2. Step 2: Convert to fraction form
    132,530.06/198,858.95 = 65,976.05/x
  3. Step 3: Cross multiply
    132,530.06x = 198,858.95 × 65,976.05
  4. Step 4: Simplify right side
    132,530.06x = 13,119,928,028.15
  5. Step 5: Solve for x
    x = 13,119,928,028.15/132,530.06
  6. Step 6: Final answer
    x = 98,995.87

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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.