Home / 312,184.85-430,834.55-176,241.83

Finding the Fourth Proportional to 312,184.85, 430,834.55 and 176,241.83

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Solution

The fourth proportional to 312,184.85, 430,834.55 and 176,241.83 is: 243,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,184.85 : 430,834.55 = 176,241.83 : x
  2. Step 2: Convert to fraction form
    312,184.85/430,834.55 = 176,241.83/x
  3. Step 3: Cross multiply
    312,184.85x = 430,834.55 × 176,241.83
  4. Step 4: Simplify right side
    312,184.85x = 75,931,067,805.66
  5. Step 5: Solve for x
    x = 75,931,067,805.66/312,184.85
  6. Step 6: Final answer
    x = 243,224.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.