Home / 186,274.15-279,452.43-67,945.10

Finding the Fourth Proportional to 186,274.15, 279,452.43 and 67,945.10

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Solution

The fourth proportional to 186,274.15, 279,452.43 and 67,945.10 is: 101,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,274.15 : 279,452.43 = 67,945.10 : x
  2. Step 2: Convert to fraction form
    186,274.15/279,452.43 = 67,945.10/x
  3. Step 3: Cross multiply
    186,274.15x = 279,452.43 × 67,945.10
  4. Step 4: Simplify right side
    186,274.15x = 18,987,421,904.33
  5. Step 5: Solve for x
    x = 18,987,421,904.33/186,274.15
  6. Step 6: Final answer
    x = 101,932.67

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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.