Home / 215,053.76-322,646.26-109,946.54

Finding the Fourth Proportional to 215,053.76, 322,646.26 and 109,946.54

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Solution

The fourth proportional to 215,053.76, 322,646.26 and 109,946.54 is: 164,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,053.76 : 322,646.26 = 109,946.54 : x
  2. Step 2: Convert to fraction form
    215,053.76/322,646.26 = 109,946.54/x
  3. Step 3: Cross multiply
    215,053.76x = 322,646.26 × 109,946.54
  4. Step 4: Simplify right side
    215,053.76x = 35,473,839,930.94
  5. Step 5: Solve for x
    x = 35,473,839,930.94/215,053.76
  6. Step 6: Final answer
    x = 164,953.36

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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.