Home / 135,359.71-186,881.38-86,983.27

Finding the Fourth Proportional to 135,359.71, 186,881.38 and 86,983.27

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Solution

The fourth proportional to 135,359.71, 186,881.38 and 86,983.27 is: 120,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,359.71 : 186,881.38 = 86,983.27 : x
  2. Step 2: Convert to fraction form
    135,359.71/186,881.38 = 86,983.27/x
  3. Step 3: Cross multiply
    135,359.71x = 186,881.38 × 86,983.27
  4. Step 4: Simplify right side
    135,359.71x = 16,255,552,849.85
  5. Step 5: Solve for x
    x = 16,255,552,849.85/135,359.71
  6. Step 6: Final answer
    x = 120,091.52

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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.