Home / 324,055.12-447,124.40-188,010.24

Finding the Fourth Proportional to 324,055.12, 447,124.40 and 188,010.24

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Solution

The fourth proportional to 324,055.12, 447,124.40 and 188,010.24 is: 259,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,055.12 : 447,124.40 = 188,010.24 : x
  2. Step 2: Convert to fraction form
    324,055.12/447,124.40 = 188,010.24/x
  3. Step 3: Cross multiply
    324,055.12x = 447,124.40 × 188,010.24
  4. Step 4: Simplify right side
    324,055.12x = 84,063,965,753.86
  5. Step 5: Solve for x
    x = 84,063,965,753.86/324,055.12
  6. Step 6: Final answer
    x = 259,412.55

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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.