Home / 165,011.78-227,677.23-93,391.81

Finding the Fourth Proportional to 165,011.78, 227,677.23 and 93,391.81

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Solution

The fourth proportional to 165,011.78, 227,677.23 and 93,391.81 is: 128,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,011.78 : 227,677.23 = 93,391.81 : x
  2. Step 2: Convert to fraction form
    165,011.78/227,677.23 = 93,391.81/x
  3. Step 3: Cross multiply
    165,011.78x = 227,677.23 × 93,391.81
  4. Step 4: Simplify right side
    165,011.78x = 21,263,187,467.10
  5. Step 5: Solve for x
    x = 21,263,187,467.10/165,011.78
  6. Step 6: Final answer
    x = 128,858.60

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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.