Home / 220,206.56-303,889.05-124,733.07

Finding the Fourth Proportional to 220,206.56, 303,889.05 and 124,733.07

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Solution

The fourth proportional to 220,206.56, 303,889.05 and 124,733.07 is: 172,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,206.56 : 303,889.05 = 124,733.07 : x
  2. Step 2: Convert to fraction form
    220,206.56/303,889.05 = 124,733.07/x
  3. Step 3: Cross multiply
    220,206.56x = 303,889.05 × 124,733.07
  4. Step 4: Simplify right side
    220,206.56x = 37,905,014,145.88
  5. Step 5: Solve for x
    x = 37,905,014,145.88/220,206.56
  6. Step 6: Final answer
    x = 172,133.90

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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.