Home / 202,351.51-279,247.34-111,707.52

Finding the Fourth Proportional to 202,351.51, 279,247.34 and 111,707.52

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Solution

The fourth proportional to 202,351.51, 279,247.34 and 111,707.52 is: 154,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,351.51 : 279,247.34 = 111,707.52 : x
  2. Step 2: Convert to fraction form
    202,351.51/279,247.34 = 111,707.52/x
  3. Step 3: Cross multiply
    202,351.51x = 279,247.34 × 111,707.52
  4. Step 4: Simplify right side
    202,351.51x = 31,194,028,097.27
  5. Step 5: Solve for x
    x = 31,194,028,097.27/202,351.51
  6. Step 6: Final answer
    x = 154,157.62

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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.