Home / 213,170.59-319,772.90-124,433.07

Finding the Fourth Proportional to 213,170.59, 319,772.90 and 124,433.07

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Solution

The fourth proportional to 213,170.59, 319,772.90 and 124,433.07 is: 186,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,170.59 : 319,772.90 = 124,433.07 : x
  2. Step 2: Convert to fraction form
    213,170.59/319,772.90 = 124,433.07/x
  3. Step 3: Cross multiply
    213,170.59x = 319,772.90 × 124,433.07
  4. Step 4: Simplify right side
    213,170.59x = 39,790,323,649.80
  5. Step 5: Solve for x
    x = 39,790,323,649.80/213,170.59
  6. Step 6: Final answer
    x = 186,659.54

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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.