Home / 200,217.24-276,291.72-119,689.20

Finding the Fourth Proportional to 200,217.24, 276,291.72 and 119,689.20

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Solution

The fourth proportional to 200,217.24, 276,291.72 and 119,689.20 is: 165,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,217.24 : 276,291.72 = 119,689.20 : x
  2. Step 2: Convert to fraction form
    200,217.24/276,291.72 = 119,689.20/x
  3. Step 3: Cross multiply
    200,217.24x = 276,291.72 × 119,689.20
  4. Step 4: Simplify right side
    200,217.24x = 33,069,134,933.42
  5. Step 5: Solve for x
    x = 33,069,134,933.42/200,217.24
  6. Step 6: Final answer
    x = 165,166.27

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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.