Home / 202,563.40-279,530.04-120,895.96

Finding the Fourth Proportional to 202,563.40, 279,530.04 and 120,895.96

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Solution

The fourth proportional to 202,563.40, 279,530.04 and 120,895.96 is: 166,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,563.40 : 279,530.04 = 120,895.96 : x
  2. Step 2: Convert to fraction form
    202,563.40/279,530.04 = 120,895.96/x
  3. Step 3: Cross multiply
    202,563.40x = 279,530.04 × 120,895.96
  4. Step 4: Simplify right side
    202,563.40x = 33,794,052,534.64
  5. Step 5: Solve for x
    x = 33,794,052,534.64/202,563.40
  6. Step 6: Final answer
    x = 166,831.98

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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.