Home / 186,289.26-279,432.46-53,169.40

Finding the Fourth Proportional to 186,289.26, 279,432.46 and 53,169.40

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Solution

The fourth proportional to 186,289.26, 279,432.46 and 53,169.40 is: 79,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,289.26 : 279,432.46 = 53,169.40 : x
  2. Step 2: Convert to fraction form
    186,289.26/279,432.46 = 53,169.40/x
  3. Step 3: Cross multiply
    186,289.26x = 279,432.46 × 53,169.40
  4. Step 4: Simplify right side
    186,289.26x = 14,857,256,238.72
  5. Step 5: Solve for x
    x = 14,857,256,238.72/186,289.26
  6. Step 6: Final answer
    x = 79,753.69

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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.