Home / 236,864.84-355,353.02-76,940.27

Finding the Fourth Proportional to 236,864.84, 355,353.02 and 76,940.27

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Solution

The fourth proportional to 236,864.84, 355,353.02 and 76,940.27 is: 115,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,864.84 : 355,353.02 = 76,940.27 : x
  2. Step 2: Convert to fraction form
    236,864.84/355,353.02 = 76,940.27/x
  3. Step 3: Cross multiply
    236,864.84x = 355,353.02 × 76,940.27
  4. Step 4: Simplify right side
    236,864.84x = 27,340,956,763.75
  5. Step 5: Solve for x
    x = 27,340,956,763.75/236,864.84
  6. Step 6: Final answer
    x = 115,428.52

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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.