Home / 161,725.88-223,179.06-88,139.33

Finding the Fourth Proportional to 161,725.88, 223,179.06 and 88,139.33

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Solution

The fourth proportional to 161,725.88, 223,179.06 and 88,139.33 is: 121,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,725.88 : 223,179.06 = 88,139.33 : x
  2. Step 2: Convert to fraction form
    161,725.88/223,179.06 = 88,139.33/x
  3. Step 3: Cross multiply
    161,725.88x = 223,179.06 × 88,139.33
  4. Step 4: Simplify right side
    161,725.88x = 19,670,852,818.43
  5. Step 5: Solve for x
    x = 19,670,852,818.43/161,725.88
  6. Step 6: Final answer
    x = 121,630.83

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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.