Home / 364,986.90-503,631.90-203,821.38

Finding the Fourth Proportional to 364,986.90, 503,631.90 and 203,821.38

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Solution

The fourth proportional to 364,986.90, 503,631.90 and 203,821.38 is: 281,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,986.90 : 503,631.90 = 203,821.38 : x
  2. Step 2: Convert to fraction form
    364,986.90/503,631.90 = 203,821.38/x
  3. Step 3: Cross multiply
    364,986.90x = 503,631.90 × 203,821.38
  4. Step 4: Simplify right side
    364,986.90x = 102,650,948,870.02
  5. Step 5: Solve for x
    x = 102,650,948,870.02/364,986.90
  6. Step 6: Final answer
    x = 281,245.57

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1.5x scale

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.