Home / 186,242.19-279,372.51-53,142.05

Finding the Fourth Proportional to 186,242.19, 279,372.51 and 53,142.05

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Solution

The fourth proportional to 186,242.19, 279,372.51 and 53,142.05 is: 79,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,242.19 : 279,372.51 = 53,142.05 : x
  2. Step 2: Convert to fraction form
    186,242.19/279,372.51 = 53,142.05/x
  3. Step 3: Cross multiply
    186,242.19x = 279,372.51 × 53,142.05
  4. Step 4: Simplify right side
    186,242.19x = 14,846,427,583.55
  5. Step 5: Solve for x
    x = 14,846,427,583.55/186,242.19
  6. Step 6: Final answer
    x = 79,715.71

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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.