Home / 186,001.53-278,992.31-109,107.33

Finding the Fourth Proportional to 186,001.53, 278,992.31 and 109,107.33

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Solution

The fourth proportional to 186,001.53, 278,992.31 and 109,107.33 is: 163,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,001.53 : 278,992.31 = 109,107.33 : x
  2. Step 2: Convert to fraction form
    186,001.53/278,992.31 = 109,107.33/x
  3. Step 3: Cross multiply
    186,001.53x = 278,992.31 × 109,107.33
  4. Step 4: Simplify right side
    186,001.53x = 30,440,105,489.10
  5. Step 5: Solve for x
    x = 30,440,105,489.10/186,001.53
  6. Step 6: Final answer
    x = 163,655.13

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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.