Home / 353,085.27-487,247.43-200,137.56

Finding the Fourth Proportional to 353,085.27, 487,247.43 and 200,137.56

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Solution

The fourth proportional to 353,085.27, 487,247.43 and 200,137.56 is: 276,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,085.27 : 487,247.43 = 200,137.56 : x
  2. Step 2: Convert to fraction form
    353,085.27/487,247.43 = 200,137.56/x
  3. Step 3: Cross multiply
    353,085.27x = 487,247.43 × 200,137.56
  4. Step 4: Simplify right side
    353,085.27x = 97,516,511,756.47
  5. Step 5: Solve for x
    x = 97,516,511,756.47/353,085.27
  6. Step 6: Final answer
    x = 276,184.03

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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.