Home / 135,196.92-186,568.38-74,770.92

Finding the Fourth Proportional to 135,196.92, 186,568.38 and 74,770.92

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Solution

The fourth proportional to 135,196.92, 186,568.38 and 74,770.92 is: 103,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,196.92 : 186,568.38 = 74,770.92 : x
  2. Step 2: Convert to fraction form
    135,196.92/186,568.38 = 74,770.92/x
  3. Step 3: Cross multiply
    135,196.92x = 186,568.38 × 74,770.92
  4. Step 4: Simplify right side
    135,196.92x = 13,949,889,415.51
  5. Step 5: Solve for x
    x = 13,949,889,415.51/135,196.92
  6. Step 6: Final answer
    x = 103,182.01

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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.