Home / 384,953.67-531,247.82-215,194.95

Finding the Fourth Proportional to 384,953.67, 531,247.82 and 215,194.95

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Solution

The fourth proportional to 384,953.67, 531,247.82 and 215,194.95 is: 296,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,953.67 : 531,247.82 = 215,194.95 : x
  2. Step 2: Convert to fraction form
    384,953.67/531,247.82 = 215,194.95/x
  3. Step 3: Cross multiply
    384,953.67x = 531,247.82 × 215,194.95
  4. Step 4: Simplify right side
    384,953.67x = 114,321,846,986.53
  5. Step 5: Solve for x
    x = 114,321,846,986.53/384,953.67
  6. Step 6: Final answer
    x = 296,975.60

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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.