Home / 200,821.67-276,917.50-152,512.66

Finding the Fourth Proportional to 200,821.67, 276,917.50 and 152,512.66

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Solution

The fourth proportional to 200,821.67, 276,917.50 and 152,512.66 is: 210,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,821.67 : 276,917.50 = 152,512.66 : x
  2. Step 2: Convert to fraction form
    200,821.67/276,917.50 = 152,512.66/x
  3. Step 3: Cross multiply
    200,821.67x = 276,917.50 × 152,512.66
  4. Step 4: Simplify right side
    200,821.67x = 42,233,424,525.55
  5. Step 5: Solve for x
    x = 42,233,424,525.55/200,821.67
  6. Step 6: Final answer
    x = 210,303.12

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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.