Home / 115,536.87-173,162.16-65,465.28

Finding the Fourth Proportional to 115,536.87, 173,162.16 and 65,465.28

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Solution

The fourth proportional to 115,536.87, 173,162.16 and 65,465.28 is: 98,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,536.87 : 173,162.16 = 65,465.28 : x
  2. Step 2: Convert to fraction form
    115,536.87/173,162.16 = 65,465.28/x
  3. Step 3: Cross multiply
    115,536.87x = 173,162.16 × 65,465.28
  4. Step 4: Simplify right side
    115,536.87x = 11,336,109,289.80
  5. Step 5: Solve for x
    x = 11,336,109,289.80/115,536.87
  6. Step 6: Final answer
    x = 98,116.81

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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.