Home / 338,904.12-467,688.12-188,001.12

Finding the Fourth Proportional to 338,904.12, 467,688.12 and 188,001.12

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Solution

The fourth proportional to 338,904.12, 467,688.12 and 188,001.12 is: 259,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,904.12 : 467,688.12 = 188,001.12 : x
  2. Step 2: Convert to fraction form
    338,904.12/467,688.12 = 188,001.12/x
  3. Step 3: Cross multiply
    338,904.12x = 467,688.12 × 188,001.12
  4. Step 4: Simplify right side
    338,904.12x = 87,925,890,370.69
  5. Step 5: Solve for x
    x = 87,925,890,370.69/338,904.12
  6. Step 6: Final answer
    x = 259,441.79

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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.