Home / 186,396.24-279,375.36-86,345.04

Finding the Fourth Proportional to 186,396.24, 279,375.36 and 86,345.04

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Solution

The fourth proportional to 186,396.24, 279,375.36 and 86,345.04 is: 129,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,396.24 : 279,375.36 = 86,345.04 : x
  2. Step 2: Convert to fraction form
    186,396.24/279,375.36 = 86,345.04/x
  3. Step 3: Cross multiply
    186,396.24x = 279,375.36 × 86,345.04
  4. Step 4: Simplify right side
    186,396.24x = 24,122,676,634.21
  5. Step 5: Solve for x
    x = 24,122,676,634.21/186,396.24
  6. Step 6: Final answer
    x = 129,416.11

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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.