Home / 315,336.04-472,722.82-115,609.88

Finding the Fourth Proportional to 315,336.04, 472,722.82 and 115,609.88

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Solution

The fourth proportional to 315,336.04, 472,722.82 and 115,609.88 is: 173,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,336.04 : 472,722.82 = 115,609.88 : x
  2. Step 2: Convert to fraction form
    315,336.04/472,722.82 = 115,609.88/x
  3. Step 3: Cross multiply
    315,336.04x = 472,722.82 × 115,609.88
  4. Step 4: Simplify right side
    315,336.04x = 54,651,429,386.24
  5. Step 5: Solve for x
    x = 54,651,429,386.24/315,336.04
  6. Step 6: Final answer
    x = 173,311.71

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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.