Home / 186,728.33-279,808.83-136,841.46

Finding the Fourth Proportional to 186,728.33, 279,808.83 and 136,841.46

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Solution

The fourth proportional to 186,728.33, 279,808.83 and 136,841.46 is: 205,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,728.33 : 279,808.83 = 136,841.46 : x
  2. Step 2: Convert to fraction form
    186,728.33/279,808.83 = 136,841.46/x
  3. Step 3: Cross multiply
    186,728.33x = 279,808.83 × 136,841.46
  4. Step 4: Simplify right side
    186,728.33x = 38,289,448,818.09
  5. Step 5: Solve for x
    x = 38,289,448,818.09/186,728.33
  6. Step 6: Final answer
    x = 205,054.32

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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.