Home / 200,418.54-276,569.47-119,890.56

Finding the Fourth Proportional to 200,418.54, 276,569.47 and 119,890.56

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Solution

The fourth proportional to 200,418.54, 276,569.47 and 119,890.56 is: 165,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,418.54 : 276,569.47 = 119,890.56 : x
  2. Step 2: Convert to fraction form
    200,418.54/276,569.47 = 119,890.56/x
  3. Step 3: Cross multiply
    200,418.54x = 276,569.47 × 119,890.56
  4. Step 4: Simplify right side
    200,418.54x = 33,158,068,637.20
  5. Step 5: Solve for x
    x = 33,158,068,637.20/200,418.54
  6. Step 6: Final answer
    x = 165,444.12

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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.