Home / 200,074.06-276,102.66-109,430.56

Finding the Fourth Proportional to 200,074.06, 276,102.66 and 109,430.56

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Solution

The fourth proportional to 200,074.06, 276,102.66 and 109,430.56 is: 151,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,074.06 : 276,102.66 = 109,430.56 : x
  2. Step 2: Convert to fraction form
    200,074.06/276,102.66 = 109,430.56/x
  3. Step 3: Cross multiply
    200,074.06x = 276,102.66 × 109,430.56
  4. Step 4: Simplify right side
    200,074.06x = 30,214,068,701.29
  5. Step 5: Solve for x
    x = 30,214,068,701.29/200,074.06
  6. Step 6: Final answer
    x = 151,014.42

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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.