Home / 186,227.04-279,121.77-86,175.93

Finding the Fourth Proportional to 186,227.04, 279,121.77 and 86,175.93

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Solution

The fourth proportional to 186,227.04, 279,121.77 and 86,175.93 is: 129,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,227.04 : 279,121.77 = 86,175.93 : x
  2. Step 2: Convert to fraction form
    186,227.04/279,121.77 = 86,175.93/x
  3. Step 3: Cross multiply
    186,227.04x = 279,121.77 × 86,175.93
  4. Step 4: Simplify right side
    186,227.04x = 24,053,578,113.00
  5. Step 5: Solve for x
    x = 24,053,578,113.00/186,227.04
  6. Step 6: Final answer
    x = 129,162.65

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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.