Home / 225,789.59-311,623.71-144,152.73

Finding the Fourth Proportional to 225,789.59, 311,623.71 and 144,152.73

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Solution

The fourth proportional to 225,789.59, 311,623.71 and 144,152.73 is: 198,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,789.59 : 311,623.71 = 144,152.73 : x
  2. Step 2: Convert to fraction form
    225,789.59/311,623.71 = 144,152.73/x
  3. Step 3: Cross multiply
    225,789.59x = 311,623.71 × 144,152.73
  4. Step 4: Simplify right side
    225,789.59x = 44,921,407,988.66
  5. Step 5: Solve for x
    x = 44,921,407,988.66/225,789.59
  6. Step 6: Final answer
    x = 198,952.52

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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.