Home / 165,012.78-227,678.61-93,392.81

Finding the Fourth Proportional to 165,012.78, 227,678.61 and 93,392.81

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Solution

The fourth proportional to 165,012.78, 227,678.61 and 93,392.81 is: 128,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,012.78 : 227,678.61 = 93,392.81 : x
  2. Step 2: Convert to fraction form
    165,012.78/227,678.61 = 93,392.81/x
  3. Step 3: Cross multiply
    165,012.78x = 227,678.61 × 93,392.81
  4. Step 4: Simplify right side
    165,012.78x = 21,263,545,164.79
  5. Step 5: Solve for x
    x = 21,263,545,164.79/165,012.78
  6. Step 6: Final answer
    x = 128,859.99

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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.