Home / 186,746.32-279,942.18-74,495.44

Finding the Fourth Proportional to 186,746.32, 279,942.18 and 74,495.44

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Solution

The fourth proportional to 186,746.32, 279,942.18 and 74,495.44 is: 111,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,746.32 : 279,942.18 = 74,495.44 : x
  2. Step 2: Convert to fraction form
    186,746.32/279,942.18 = 74,495.44/x
  3. Step 3: Cross multiply
    186,746.32x = 279,942.18 × 74,495.44
  4. Step 4: Simplify right side
    186,746.32x = 20,854,415,873.66
  5. Step 5: Solve for x
    x = 20,854,415,873.66/186,746.32
  6. Step 6: Final answer
    x = 111,672.43

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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.