Home / 168,453.71-232,382.23-100,422.75

Finding the Fourth Proportional to 168,453.71, 232,382.23 and 100,422.75

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Solution

The fourth proportional to 168,453.71, 232,382.23 and 100,422.75 is: 138,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,453.71 : 232,382.23 = 100,422.75 : x
  2. Step 2: Convert to fraction form
    168,453.71/232,382.23 = 100,422.75/x
  3. Step 3: Cross multiply
    168,453.71x = 232,382.23 × 100,422.75
  4. Step 4: Simplify right side
    168,453.71x = 23,336,462,368.97
  5. Step 5: Solve for x
    x = 23,336,462,368.97/168,453.71
  6. Step 6: Final answer
    x = 138,533.38

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1.5x scale

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.