Home / 200,403.42-276,606.63-115,571.58

Finding the Fourth Proportional to 200,403.42, 276,606.63 and 115,571.58

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Solution

The fourth proportional to 200,403.42, 276,606.63 and 115,571.58 is: 159,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,403.42 : 276,606.63 = 115,571.58 : x
  2. Step 2: Convert to fraction form
    200,403.42/276,606.63 = 115,571.58/x
  3. Step 3: Cross multiply
    200,403.42x = 276,606.63 × 115,571.58
  4. Step 4: Simplify right side
    200,403.42x = 31,967,865,267.58
  5. Step 5: Solve for x
    x = 31,967,865,267.58/200,403.42
  6. Step 6: Final answer
    x = 159,517.56

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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.