Home / 202,501.37-279,450.13-111,863.66

Finding the Fourth Proportional to 202,501.37, 279,450.13 and 111,863.66

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Solution

The fourth proportional to 202,501.37, 279,450.13 and 111,863.66 is: 154,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,501.37 : 279,450.13 = 111,863.66 : x
  2. Step 2: Convert to fraction form
    202,501.37/279,450.13 = 111,863.66/x
  3. Step 3: Cross multiply
    202,501.37x = 279,450.13 × 111,863.66
  4. Step 4: Simplify right side
    202,501.37x = 31,260,314,329.28
  5. Step 5: Solve for x
    x = 31,260,314,329.28/202,501.37
  6. Step 6: Final answer
    x = 154,370.88

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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.