Home / 186,588.96-279,927.18-74,276.04

Finding the Fourth Proportional to 186,588.96, 279,927.18 and 74,276.04

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Solution

The fourth proportional to 186,588.96, 279,927.18 and 74,276.04 is: 111,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,588.96 : 279,927.18 = 74,276.04 : x
  2. Step 2: Convert to fraction form
    186,588.96/279,927.18 = 74,276.04/x
  3. Step 3: Cross multiply
    186,588.96x = 279,927.18 × 74,276.04
  4. Step 4: Simplify right side
    186,588.96x = 20,791,882,418.77
  5. Step 5: Solve for x
    x = 20,791,882,418.77/186,588.96
  6. Step 6: Final answer
    x = 111,431.47

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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.