Home / 208,506.24-312,777.75-58,747.80

Finding the Fourth Proportional to 208,506.24, 312,777.75 and 58,747.80

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Solution

The fourth proportional to 208,506.24, 312,777.75 and 58,747.80 is: 88,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,506.24 : 312,777.75 = 58,747.80 : x
  2. Step 2: Convert to fraction form
    208,506.24/312,777.75 = 58,747.80/x
  3. Step 3: Cross multiply
    208,506.24x = 312,777.75 × 58,747.80
  4. Step 4: Simplify right side
    208,506.24x = 18,375,004,701.45
  5. Step 5: Solve for x
    x = 18,375,004,701.45/208,506.24
  6. Step 6: Final answer
    x = 88,126.88

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1.5x scale

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.