Home / 325,747.49-488,614.28-89,090.17

Finding the Fourth Proportional to 325,747.49, 488,614.28 and 89,090.17

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Solution

The fourth proportional to 325,747.49, 488,614.28 and 89,090.17 is: 133,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,747.49 : 488,614.28 = 89,090.17 : x
  2. Step 2: Convert to fraction form
    325,747.49/488,614.28 = 89,090.17/x
  3. Step 3: Cross multiply
    325,747.49x = 488,614.28 × 89,090.17
  4. Step 4: Simplify right side
    325,747.49x = 43,530,729,269.63
  5. Step 5: Solve for x
    x = 43,530,729,269.63/325,747.49
  6. Step 6: Final answer
    x = 133,633.35

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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.