Home / 161,645.86-222,994.11-125,589.10

Finding the Fourth Proportional to 161,645.86, 222,994.11 and 125,589.10

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Solution

The fourth proportional to 161,645.86, 222,994.11 and 125,589.10 is: 173,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,645.86 : 222,994.11 = 125,589.10 : x
  2. Step 2: Convert to fraction form
    161,645.86/222,994.11 = 125,589.10/x
  3. Step 3: Cross multiply
    161,645.86x = 222,994.11 × 125,589.10
  4. Step 4: Simplify right side
    161,645.86x = 28,005,629,580.20
  5. Step 5: Solve for x
    x = 28,005,629,580.20/161,645.86
  6. Step 6: Final answer
    x = 173,253.00

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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.