Home / 186,260.68-279,172.16-86,209.52

Finding the Fourth Proportional to 186,260.68, 279,172.16 and 86,209.52

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Solution

The fourth proportional to 186,260.68, 279,172.16 and 86,209.52 is: 129,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,260.68 : 279,172.16 = 86,209.52 : x
  2. Step 2: Convert to fraction form
    186,260.68/279,172.16 = 86,209.52/x
  3. Step 3: Cross multiply
    186,260.68x = 279,172.16 × 86,209.52
  4. Step 4: Simplify right side
    186,260.68x = 24,067,297,910.96
  5. Step 5: Solve for x
    x = 24,067,297,910.96/186,260.68
  6. Step 6: Final answer
    x = 129,212.98

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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.