Home / 338,934.16-467,729.68-188,031.12

Finding the Fourth Proportional to 338,934.16, 467,729.68 and 188,031.12

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Solution

The fourth proportional to 338,934.16, 467,729.68 and 188,031.12 is: 259,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,934.16 : 467,729.68 = 188,031.12 : x
  2. Step 2: Convert to fraction form
    338,934.16/467,729.68 = 188,031.12/x
  3. Step 3: Cross multiply
    338,934.16x = 467,729.68 × 188,031.12
  4. Step 4: Simplify right side
    338,934.16x = 87,947,735,587.64
  5. Step 5: Solve for x
    x = 87,947,735,587.64/338,934.16
  6. Step 6: Final answer
    x = 259,483.24

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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.