Home / 186,934.56-280,359.91-53,785.14

Finding the Fourth Proportional to 186,934.56, 280,359.91 and 53,785.14

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Solution

The fourth proportional to 186,934.56, 280,359.91 and 53,785.14 is: 80,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,934.56 : 280,359.91 = 53,785.14 : x
  2. Step 2: Convert to fraction form
    186,934.56/280,359.91 = 53,785.14/x
  3. Step 3: Cross multiply
    186,934.56x = 280,359.91 × 53,785.14
  4. Step 4: Simplify right side
    186,934.56x = 15,079,197,009.74
  5. Step 5: Solve for x
    x = 15,079,197,009.74/186,934.56
  6. Step 6: Final answer
    x = 80,665.65

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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.