Home / 186,488.73-279,977-110,725.58

Finding the Fourth Proportional to 186,488.73, 279,977 and 110,725.58

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Solution

The fourth proportional to 186,488.73, 279,977 and 110,725.58 is: 166,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,488.73 : 279,977 = 110,725.58 : x
  2. Step 2: Convert to fraction form
    186,488.73/279,977 = 110,725.58/x
  3. Step 3: Cross multiply
    186,488.73x = 279,977 × 110,725.58
  4. Step 4: Simplify right side
    186,488.73x = 31,000,615,711.66
  5. Step 5: Solve for x
    x = 31,000,615,711.66/186,488.73
  6. Step 6: Final answer
    x = 166,233.19

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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.