Home / 113,188.68-169,752.63-53,906.40

Finding the Fourth Proportional to 113,188.68, 169,752.63 and 53,906.40

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Solution

The fourth proportional to 113,188.68, 169,752.63 and 53,906.40 is: 80,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,188.68 : 169,752.63 = 53,906.40 : x
  2. Step 2: Convert to fraction form
    113,188.68/169,752.63 = 53,906.40/x
  3. Step 3: Cross multiply
    113,188.68x = 169,752.63 × 53,906.40
  4. Step 4: Simplify right side
    113,188.68x = 9,150,753,173.83
  5. Step 5: Solve for x
    x = 9,150,753,173.83/113,188.68
  6. Step 6: Final answer
    x = 80,845.13

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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.