Home / 200,070.24-276,085.62-109,408.20

Finding the Fourth Proportional to 200,070.24, 276,085.62 and 109,408.20

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Solution

The fourth proportional to 200,070.24, 276,085.62 and 109,408.20 is: 150,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,070.24 : 276,085.62 = 109,408.20 : x
  2. Step 2: Convert to fraction form
    200,070.24/276,085.62 = 109,408.20/x
  3. Step 3: Cross multiply
    200,070.24x = 276,085.62 × 109,408.20
  4. Step 4: Simplify right side
    200,070.24x = 30,206,030,730.08
  5. Step 5: Solve for x
    x = 30,206,030,730.08/200,070.24
  6. Step 6: Final answer
    x = 150,977.13

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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.