Home / 186,939.96-278,979.24-166,994.52

Finding the Fourth Proportional to 186,939.96, 278,979.24 and 166,994.52

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Solution

The fourth proportional to 186,939.96, 278,979.24 and 166,994.52 is: 249,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,939.96 : 278,979.24 = 166,994.52 : x
  2. Step 2: Convert to fraction form
    186,939.96/278,979.24 = 166,994.52/x
  3. Step 3: Cross multiply
    186,939.96x = 278,979.24 × 166,994.52
  4. Step 4: Simplify right side
    186,939.96x = 46,588,004,273.76
  5. Step 5: Solve for x
    x = 46,588,004,273.76/186,939.96
  6. Step 6: Final answer
    x = 249,213.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.