Home / 325,156.32-487,613.26-111,864.60

Finding the Fourth Proportional to 325,156.32, 487,613.26 and 111,864.60

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Solution

The fourth proportional to 325,156.32, 487,613.26 and 111,864.60 is: 167,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,156.32 : 487,613.26 = 111,864.60 : x
  2. Step 2: Convert to fraction form
    325,156.32/487,613.26 = 111,864.60/x
  3. Step 3: Cross multiply
    325,156.32x = 487,613.26 × 111,864.60
  4. Step 4: Simplify right side
    325,156.32x = 54,546,662,284.60
  5. Step 5: Solve for x
    x = 54,546,662,284.60/325,156.32
  6. Step 6: Final answer
    x = 167,755.20

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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.