Home / 186,498.19-279,876.48-74,166.90

Finding the Fourth Proportional to 186,498.19, 279,876.48 and 74,166.90

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Solution

The fourth proportional to 186,498.19, 279,876.48 and 74,166.90 is: 111,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,498.19 : 279,876.48 = 74,166.90 : x
  2. Step 2: Convert to fraction form
    186,498.19/279,876.48 = 74,166.90/x
  3. Step 3: Cross multiply
    186,498.19x = 279,876.48 × 74,166.90
  4. Step 4: Simplify right side
    186,498.19x = 20,757,570,904.51
  5. Step 5: Solve for x
    x = 20,757,570,904.51/186,498.19
  6. Step 6: Final answer
    x = 111,301.73

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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.