Home / 189,918.11-262,066.98-113,426.58

Finding the Fourth Proportional to 189,918.11, 262,066.98 and 113,426.58

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Solution

The fourth proportional to 189,918.11, 262,066.98 and 113,426.58 is: 156,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,918.11 : 262,066.98 = 113,426.58 : x
  2. Step 2: Convert to fraction form
    189,918.11/262,066.98 = 113,426.58/x
  3. Step 3: Cross multiply
    189,918.11x = 262,066.98 × 113,426.58
  4. Step 4: Simplify right side
    189,918.11x = 29,725,361,272.33
  5. Step 5: Solve for x
    x = 29,725,361,272.33/189,918.11
  6. Step 6: Final answer
    x = 156,516.73

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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.