Home / 316,535.72-474,842.62-103,246.61

Finding the Fourth Proportional to 316,535.72, 474,842.62 and 103,246.61

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Solution

The fourth proportional to 316,535.72, 474,842.62 and 103,246.61 is: 154,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,535.72 : 474,842.62 = 103,246.61 : x
  2. Step 2: Convert to fraction form
    316,535.72/474,842.62 = 103,246.61/x
  3. Step 3: Cross multiply
    316,535.72x = 474,842.62 × 103,246.61
  4. Step 4: Simplify right side
    316,535.72x = 49,025,889,743.67
  5. Step 5: Solve for x
    x = 49,025,889,743.67/316,535.72
  6. Step 6: Final answer
    x = 154,882.65

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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.