Home / 186,301.36-279,432.60-53,173

Finding the Fourth Proportional to 186,301.36, 279,432.60 and 53,173

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Solution

The fourth proportional to 186,301.36, 279,432.60 and 53,173 is: 79,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,301.36 : 279,432.60 = 53,173 : x
  2. Step 2: Convert to fraction form
    186,301.36/279,432.60 = 53,173/x
  3. Step 3: Cross multiply
    186,301.36x = 279,432.60 × 53,173
  4. Step 4: Simplify right side
    186,301.36x = 14,858,269,639.80
  5. Step 5: Solve for x
    x = 14,858,269,639.80/186,301.36
  6. Step 6: Final answer
    x = 79,753.95

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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.