Home / 186,399.88-279,609.04-53,299.72

Finding the Fourth Proportional to 186,399.88, 279,609.04 and 53,299.72

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Solution

The fourth proportional to 186,399.88, 279,609.04 and 53,299.72 is: 79,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,399.88 : 279,609.04 = 53,299.72 : x
  2. Step 2: Convert to fraction form
    186,399.88/279,609.04 = 53,299.72/x
  3. Step 3: Cross multiply
    186,399.88x = 279,609.04 × 53,299.72
  4. Step 4: Simplify right side
    186,399.88x = 14,903,083,541.47
  5. Step 5: Solve for x
    x = 14,903,083,541.47/186,399.88
  6. Step 6: Final answer
    x = 79,952.22

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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.