Home / 157,504.97-217,352.07-85,886.39

Finding the Fourth Proportional to 157,504.97, 217,352.07 and 85,886.39

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Solution

The fourth proportional to 157,504.97, 217,352.07 and 85,886.39 is: 118,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,504.97 : 217,352.07 = 85,886.39 : x
  2. Step 2: Convert to fraction form
    157,504.97/217,352.07 = 85,886.39/x
  3. Step 3: Cross multiply
    157,504.97x = 217,352.07 × 85,886.39
  4. Step 4: Simplify right side
    157,504.97x = 18,667,584,651.33
  5. Step 5: Solve for x
    x = 18,667,584,651.33/157,504.97
  6. Step 6: Final answer
    x = 118,520.61

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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.