Home / 186,065.16-279,131.22-67,902.36

Finding the Fourth Proportional to 186,065.16, 279,131.22 and 67,902.36

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Solution

The fourth proportional to 186,065.16, 279,131.22 and 67,902.36 is: 101,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,065.16 : 279,131.22 = 67,902.36 : x
  2. Step 2: Convert to fraction form
    186,065.16/279,131.22 = 67,902.36/x
  3. Step 3: Cross multiply
    186,065.16x = 279,131.22 × 67,902.36
  4. Step 4: Simplify right side
    186,065.16x = 18,953,668,587.68
  5. Step 5: Solve for x
    x = 18,953,668,587.68/186,065.16
  6. Step 6: Final answer
    x = 101,865.76

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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.