Home / 315,939.42-473,972.65-116,260.85

Finding the Fourth Proportional to 315,939.42, 473,972.65 and 116,260.85

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Solution

The fourth proportional to 315,939.42, 473,972.65 and 116,260.85 is: 174,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,939.42 : 473,972.65 = 116,260.85 : x
  2. Step 2: Convert to fraction form
    315,939.42/473,972.65 = 116,260.85/x
  3. Step 3: Cross multiply
    315,939.42x = 473,972.65 × 116,260.85
  4. Step 4: Simplify right side
    315,939.42x = 55,104,464,060.03
  5. Step 5: Solve for x
    x = 55,104,464,060.03/315,939.42
  6. Step 6: Final answer
    x = 174,414.65

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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.