Home / 146,947.64-202,789.95-82,431.17

Finding the Fourth Proportional to 146,947.64, 202,789.95 and 82,431.17

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Solution

The fourth proportional to 146,947.64, 202,789.95 and 82,431.17 is: 113,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,947.64 : 202,789.95 = 82,431.17 : x
  2. Step 2: Convert to fraction form
    146,947.64/202,789.95 = 82,431.17/x
  3. Step 3: Cross multiply
    146,947.64x = 202,789.95 × 82,431.17
  4. Step 4: Simplify right side
    146,947.64x = 16,716,212,280.14
  5. Step 5: Solve for x
    x = 16,716,212,280.14/146,947.64
  6. Step 6: Final answer
    x = 113,756.25

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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.