Home / 150,968.22-208,301.67-87,294.66

Finding the Fourth Proportional to 150,968.22, 208,301.67 and 87,294.66

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Solution

The fourth proportional to 150,968.22, 208,301.67 and 87,294.66 is: 120,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,968.22 : 208,301.67 = 87,294.66 : x
  2. Step 2: Convert to fraction form
    150,968.22/208,301.67 = 87,294.66/x
  3. Step 3: Cross multiply
    150,968.22x = 208,301.67 × 87,294.66
  4. Step 4: Simplify right side
    150,968.22x = 18,183,623,460.08
  5. Step 5: Solve for x
    x = 18,183,623,460.08/150,968.22
  6. Step 6: Final answer
    x = 120,446.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.