Home / 186,132.96-279,194.40-45,892.80

Finding the Fourth Proportional to 186,132.96, 279,194.40 and 45,892.80

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Solution

The fourth proportional to 186,132.96, 279,194.40 and 45,892.80 is: 68,837.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,132.96 : 279,194.40 = 45,892.80 : x
  2. Step 2: Convert to fraction form
    186,132.96/279,194.40 = 45,892.80/x
  3. Step 3: Cross multiply
    186,132.96x = 279,194.40 × 45,892.80
  4. Step 4: Simplify right side
    186,132.96x = 12,813,012,760.32
  5. Step 5: Solve for x
    x = 12,813,012,760.32/186,132.96
  6. Step 6: Final answer
    x = 68,837.96

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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.