Home / 202,318.16-279,199.10-111,674.16

Finding the Fourth Proportional to 202,318.16, 279,199.10 and 111,674.16

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Solution

The fourth proportional to 202,318.16, 279,199.10 and 111,674.16 is: 154,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,318.16 : 279,199.10 = 111,674.16 : x
  2. Step 2: Convert to fraction form
    202,318.16/279,199.10 = 111,674.16/x
  3. Step 3: Cross multiply
    202,318.16x = 279,199.10 × 111,674.16
  4. Step 4: Simplify right side
    202,318.16x = 31,179,324,406.89
  5. Step 5: Solve for x
    x = 31,179,324,406.89/202,318.16
  6. Step 6: Final answer
    x = 154,110.36

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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.