Home / 112,184.65-154,786.78-68,566.06

Finding the Fourth Proportional to 112,184.65, 154,786.78 and 68,566.06

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Solution

The fourth proportional to 112,184.65, 154,786.78 and 68,566.06 is: 94,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,184.65 : 154,786.78 = 68,566.06 : x
  2. Step 2: Convert to fraction form
    112,184.65/154,786.78 = 68,566.06/x
  3. Step 3: Cross multiply
    112,184.65x = 154,786.78 × 68,566.06
  4. Step 4: Simplify right side
    112,184.65x = 10,613,119,644.69
  5. Step 5: Solve for x
    x = 10,613,119,644.69/112,184.65
  6. Step 6: Final answer
    x = 94,604.03

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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.