Home / 202,350.10-279,243.55-111,706.19

Finding the Fourth Proportional to 202,350.10, 279,243.55 and 111,706.19

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Solution

The fourth proportional to 202,350.10, 279,243.55 and 111,706.19 is: 154,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,350.10 : 279,243.55 = 111,706.19 : x
  2. Step 2: Convert to fraction form
    202,350.10/279,243.55 = 111,706.19/x
  3. Step 3: Cross multiply
    202,350.10x = 279,243.55 × 111,706.19
  4. Step 4: Simplify right side
    202,350.10x = 31,193,233,052.57
  5. Step 5: Solve for x
    x = 31,193,233,052.57/202,350.10
  6. Step 6: Final answer
    x = 154,154.77

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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.