Home / 200,669.51-276,765.41-177,723.40

Finding the Fourth Proportional to 200,669.51, 276,765.41 and 177,723.40

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Solution

The fourth proportional to 200,669.51, 276,765.41 and 177,723.40 is: 245,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,669.51 : 276,765.41 = 177,723.40 : x
  2. Step 2: Convert to fraction form
    200,669.51/276,765.41 = 177,723.40/x
  3. Step 3: Cross multiply
    200,669.51x = 276,765.41 × 177,723.40
  4. Step 4: Simplify right side
    200,669.51x = 49,187,690,457.86
  5. Step 5: Solve for x
    x = 49,187,690,457.86/200,669.51
  6. Step 6: Final answer
    x = 245,117.90

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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.