Home / 186,509.26-279,807.60-74,195.86

Finding the Fourth Proportional to 186,509.26, 279,807.60 and 74,195.86

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Solution

The fourth proportional to 186,509.26, 279,807.60 and 74,195.86 is: 111,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,509.26 : 279,807.60 = 74,195.86 : x
  2. Step 2: Convert to fraction form
    186,509.26/279,807.60 = 74,195.86/x
  3. Step 3: Cross multiply
    186,509.26x = 279,807.60 × 74,195.86
  4. Step 4: Simplify right side
    186,509.26x = 20,760,565,516.54
  5. Step 5: Solve for x
    x = 20,760,565,516.54/186,509.26
  6. Step 6: Final answer
    x = 111,311.18

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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.