Home / 237,481.61-327,725.09-128,587.13

Finding the Fourth Proportional to 237,481.61, 327,725.09 and 128,587.13

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Solution

The fourth proportional to 237,481.61, 327,725.09 and 128,587.13 is: 177,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,481.61 : 327,725.09 = 128,587.13 : x
  2. Step 2: Convert to fraction form
    237,481.61/327,725.09 = 128,587.13/x
  3. Step 3: Cross multiply
    237,481.61x = 327,725.09 × 128,587.13
  4. Step 4: Simplify right side
    237,481.61x = 42,141,228,181.70
  5. Step 5: Solve for x
    x = 42,141,228,181.70/237,481.61
  6. Step 6: Final answer
    x = 177,450.49

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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.