Home / 316,904.08-475,036.26-198,658.48

Finding the Fourth Proportional to 316,904.08, 475,036.26 and 198,658.48

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Solution

The fourth proportional to 316,904.08, 475,036.26 and 198,658.48 is: 297,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,904.08 : 475,036.26 = 198,658.48 : x
  2. Step 2: Convert to fraction form
    316,904.08/475,036.26 = 198,658.48/x
  3. Step 3: Cross multiply
    316,904.08x = 475,036.26 × 198,658.48
  4. Step 4: Simplify right side
    316,904.08x = 94,369,981,356.48
  5. Step 5: Solve for x
    x = 94,369,981,356.48/316,904.08
  6. Step 6: Final answer
    x = 297,787.21

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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.