Home / 200,582.35-276,767.35-128,945.95

Finding the Fourth Proportional to 200,582.35, 276,767.35 and 128,945.95

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Solution

The fourth proportional to 200,582.35, 276,767.35 and 128,945.95 is: 177,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,582.35 : 276,767.35 = 128,945.95 : x
  2. Step 2: Convert to fraction form
    200,582.35/276,767.35 = 128,945.95/x
  3. Step 3: Cross multiply
    200,582.35x = 276,767.35 × 128,945.95
  4. Step 4: Simplify right side
    200,582.35x = 35,688,028,874.73
  5. Step 5: Solve for x
    x = 35,688,028,874.73/200,582.35
  6. Step 6: Final answer
    x = 177,922.08

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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.