Home / 186,129.52-279,190.68-53,010.64

Finding the Fourth Proportional to 186,129.52, 279,190.68 and 53,010.64

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Solution

The fourth proportional to 186,129.52, 279,190.68 and 53,010.64 is: 79,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,129.52 : 279,190.68 = 53,010.64 : x
  2. Step 2: Convert to fraction form
    186,129.52/279,190.68 = 53,010.64/x
  3. Step 3: Cross multiply
    186,129.52x = 279,190.68 × 53,010.64
  4. Step 4: Simplify right side
    186,129.52x = 14,800,076,628.84
  5. Step 5: Solve for x
    x = 14,800,076,628.84/186,129.52
  6. Step 6: Final answer
    x = 79,514.93

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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.