Home / 438,836.32-658,196.16-172,525.33

Finding the Fourth Proportional to 438,836.32, 658,196.16 and 172,525.33

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Solution

The fourth proportional to 438,836.32, 658,196.16 and 172,525.33 is: 258,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,836.32 : 658,196.16 = 172,525.33 : x
  2. Step 2: Convert to fraction form
    438,836.32/658,196.16 = 172,525.33/x
  3. Step 3: Cross multiply
    438,836.32x = 658,196.16 × 172,525.33
  4. Step 4: Simplify right side
    438,836.32x = 113,555,509,708.73
  5. Step 5: Solve for x
    x = 113,555,509,708.73/438,836.32
  6. Step 6: Final answer
    x = 258,765.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.