Home / 186,514.91-257,382.52-105,942.19

Finding the Fourth Proportional to 186,514.91, 257,382.52 and 105,942.19

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Solution

The fourth proportional to 186,514.91, 257,382.52 and 105,942.19 is: 146,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,514.91 : 257,382.52 = 105,942.19 : x
  2. Step 2: Convert to fraction form
    186,514.91/257,382.52 = 105,942.19/x
  3. Step 3: Cross multiply
    186,514.91x = 257,382.52 × 105,942.19
  4. Step 4: Simplify right side
    186,514.91x = 27,267,667,836.52
  5. Step 5: Solve for x
    x = 27,267,667,836.52/186,514.91
  6. Step 6: Final answer
    x = 146,195.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.