Home / 325,331.10-487,941.26-88,618.40

Finding the Fourth Proportional to 325,331.10, 487,941.26 and 88,618.40

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Solution

The fourth proportional to 325,331.10, 487,941.26 and 88,618.40 is: 132,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,331.10 : 487,941.26 = 88,618.40 : x
  2. Step 2: Convert to fraction form
    325,331.10/487,941.26 = 88,618.40/x
  3. Step 3: Cross multiply
    325,331.10x = 487,941.26 × 88,618.40
  4. Step 4: Simplify right side
    325,331.10x = 43,240,573,755.18
  5. Step 5: Solve for x
    x = 43,240,573,755.18/325,331.10
  6. Step 6: Final answer
    x = 132,912.51

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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.