Home / 199,994.56-276,219.36-136,221.76

Finding the Fourth Proportional to 199,994.56, 276,219.36 and 136,221.76

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Solution

The fourth proportional to 199,994.56, 276,219.36 and 136,221.76 is: 188,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,994.56 : 276,219.36 = 136,221.76 : x
  2. Step 2: Convert to fraction form
    199,994.56/276,219.36 = 136,221.76/x
  3. Step 3: Cross multiply
    199,994.56x = 276,219.36 × 136,221.76
  4. Step 4: Simplify right side
    199,994.56x = 37,627,087,365.27
  5. Step 5: Solve for x
    x = 37,627,087,365.27/199,994.56
  6. Step 6: Final answer
    x = 188,140.55

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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.