Home / 186,235.11-279,355.26-53,115.34

Finding the Fourth Proportional to 186,235.11, 279,355.26 and 53,115.34

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Solution

The fourth proportional to 186,235.11, 279,355.26 and 53,115.34 is: 79,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,235.11 : 279,355.26 = 53,115.34 : x
  2. Step 2: Convert to fraction form
    186,235.11/279,355.26 = 53,115.34/x
  3. Step 3: Cross multiply
    186,235.11x = 279,355.26 × 53,115.34
  4. Step 4: Simplify right side
    186,235.11x = 14,838,049,615.69
  5. Step 5: Solve for x
    x = 14,838,049,615.69/186,235.11
  6. Step 6: Final answer
    x = 79,673.75

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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.