Home / 186,629.28-279,944.14-46,387.91

Finding the Fourth Proportional to 186,629.28, 279,944.14 and 46,387.91

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Solution

The fourth proportional to 186,629.28, 279,944.14 and 46,387.91 is: 69,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,629.28 : 279,944.14 = 46,387.91 : x
  2. Step 2: Convert to fraction form
    186,629.28/279,944.14 = 46,387.91/x
  3. Step 3: Cross multiply
    186,629.28x = 279,944.14 × 46,387.91
  4. Step 4: Simplify right side
    186,629.28x = 12,986,021,939.69
  5. Step 5: Solve for x
    x = 12,986,021,939.69/186,629.28
  6. Step 6: Final answer
    x = 69,581.91

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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.