Home / 487,734.48-731,419.89-167,796.90

Finding the Fourth Proportional to 487,734.48, 731,419.89 and 167,796.90

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Solution

The fourth proportional to 487,734.48, 731,419.89 and 167,796.90 is: 251,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,734.48 : 731,419.89 = 167,796.90 : x
  2. Step 2: Convert to fraction form
    487,734.48/731,419.89 = 167,796.90/x
  3. Step 3: Cross multiply
    487,734.48x = 731,419.89 × 167,796.90
  4. Step 4: Simplify right side
    487,734.48x = 122,729,990,140.34
  5. Step 5: Solve for x
    x = 122,729,990,140.34/487,734.48
  6. Step 6: Final answer
    x = 251,632.79

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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.