Home / 202,334.72-279,237.36-111,708.14

Finding the Fourth Proportional to 202,334.72, 279,237.36 and 111,708.14

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Solution

The fourth proportional to 202,334.72, 279,237.36 and 111,708.14 is: 154,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,334.72 : 279,237.36 = 111,708.14 : x
  2. Step 2: Convert to fraction form
    202,334.72/279,237.36 = 111,708.14/x
  3. Step 3: Cross multiply
    202,334.72x = 279,237.36 × 111,708.14
  4. Step 4: Simplify right side
    202,334.72x = 31,193,086,104.11
  5. Step 5: Solve for x
    x = 31,193,086,104.11/202,334.72
  6. Step 6: Final answer
    x = 154,165.76

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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.