Home / 219,087.97-328,628.54-112,410.36

Finding the Fourth Proportional to 219,087.97, 328,628.54 and 112,410.36

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Solution

The fourth proportional to 219,087.97, 328,628.54 and 112,410.36 is: 168,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,087.97 : 328,628.54 = 112,410.36 : x
  2. Step 2: Convert to fraction form
    219,087.97/328,628.54 = 112,410.36/x
  3. Step 3: Cross multiply
    219,087.97x = 328,628.54 × 112,410.36
  4. Step 4: Simplify right side
    219,087.97x = 36,941,251,925.62
  5. Step 5: Solve for x
    x = 36,941,251,925.62/219,087.97
  6. Step 6: Final answer
    x = 168,613.79

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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.