Home / 325,170.09-487,805.76-192,146.22

Finding the Fourth Proportional to 325,170.09, 487,805.76 and 192,146.22

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Solution

The fourth proportional to 325,170.09, 487,805.76 and 192,146.22 is: 288,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,170.09 : 487,805.76 = 192,146.22 : x
  2. Step 2: Convert to fraction form
    325,170.09/487,805.76 = 192,146.22/x
  3. Step 3: Cross multiply
    325,170.09x = 487,805.76 × 192,146.22
  4. Step 4: Simplify right side
    325,170.09x = 93,730,032,878.23
  5. Step 5: Solve for x
    x = 93,730,032,878.23/325,170.09
  6. Step 6: Final answer
    x = 288,249.24

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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.