Home / 202,344.28-279,237.38-111,700.32

Finding the Fourth Proportional to 202,344.28, 279,237.38 and 111,700.32

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Solution

The fourth proportional to 202,344.28, 279,237.38 and 111,700.32 is: 154,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,344.28 : 279,237.38 = 111,700.32 : x
  2. Step 2: Convert to fraction form
    202,344.28/279,237.38 = 111,700.32/x
  3. Step 3: Cross multiply
    202,344.28x = 279,237.38 × 111,700.32
  4. Step 4: Simplify right side
    202,344.28x = 31,190,903,096.32
  5. Step 5: Solve for x
    x = 31,190,903,096.32/202,344.28
  6. Step 6: Final answer
    x = 154,147.69

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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.