Home / 131,694.22-181,766.55-83,265.40

Finding the Fourth Proportional to 131,694.22, 181,766.55 and 83,265.40

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Solution

The fourth proportional to 131,694.22, 181,766.55 and 83,265.40 is: 114,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,694.22 : 181,766.55 = 83,265.40 : x
  2. Step 2: Convert to fraction form
    131,694.22/181,766.55 = 83,265.40/x
  3. Step 3: Cross multiply
    131,694.22x = 181,766.55 × 83,265.40
  4. Step 4: Simplify right side
    131,694.22x = 15,134,864,492.37
  5. Step 5: Solve for x
    x = 15,134,864,492.37/131,694.22
  6. Step 6: Final answer
    x = 114,924.29

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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.