Home / 245,716.12-368,129.22-112,707.64

Finding the Fourth Proportional to 245,716.12, 368,129.22 and 112,707.64

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Solution

The fourth proportional to 245,716.12, 368,129.22 and 112,707.64 is: 168,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,716.12 : 368,129.22 = 112,707.64 : x
  2. Step 2: Convert to fraction form
    245,716.12/368,129.22 = 112,707.64/x
  3. Step 3: Cross multiply
    245,716.12x = 368,129.22 × 112,707.64
  4. Step 4: Simplify right side
    245,716.12x = 41,490,975,601.24
  5. Step 5: Solve for x
    x = 41,490,975,601.24/245,716.12
  6. Step 6: Final answer
    x = 168,857.36

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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.