Home / 200,209.42-276,301.83-115,325.02

Finding the Fourth Proportional to 200,209.42, 276,301.83 and 115,325.02

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Solution

The fourth proportional to 200,209.42, 276,301.83 and 115,325.02 is: 159,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,209.42 : 276,301.83 = 115,325.02 : x
  2. Step 2: Convert to fraction form
    200,209.42/276,301.83 = 115,325.02/x
  3. Step 3: Cross multiply
    200,209.42x = 276,301.83 × 115,325.02
  4. Step 4: Simplify right side
    200,209.42x = 31,864,514,070.79
  5. Step 5: Solve for x
    x = 31,864,514,070.79/200,209.42
  6. Step 6: Final answer
    x = 159,155.92

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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.