Home / 117,904.25-162,707.73-64,189.64

Finding the Fourth Proportional to 117,904.25, 162,707.73 and 64,189.64

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Solution

The fourth proportional to 117,904.25, 162,707.73 and 64,189.64 is: 88,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,904.25 : 162,707.73 = 64,189.64 : x
  2. Step 2: Convert to fraction form
    117,904.25/162,707.73 = 64,189.64/x
  3. Step 3: Cross multiply
    117,904.25x = 162,707.73 × 64,189.64
  4. Step 4: Simplify right side
    117,904.25x = 10,444,150,613.92
  5. Step 5: Solve for x
    x = 10,444,150,613.92/117,904.25
  6. Step 6: Final answer
    x = 88,581.63

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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.