Home / 186,289.54-279,437.04-53,169.89

Finding the Fourth Proportional to 186,289.54, 279,437.04 and 53,169.89

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Solution

The fourth proportional to 186,289.54, 279,437.04 and 53,169.89 is: 79,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,289.54 : 279,437.04 = 53,169.89 : x
  2. Step 2: Convert to fraction form
    186,289.54/279,437.04 = 53,169.89/x
  3. Step 3: Cross multiply
    186,289.54x = 279,437.04 × 53,169.89
  4. Step 4: Simplify right side
    186,289.54x = 14,857,635,281.54
  5. Step 5: Solve for x
    x = 14,857,635,281.54/186,289.54
  6. Step 6: Final answer
    x = 79,755.61

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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.