Home / 221,623.16-305,764.07-126,105.93

Finding the Fourth Proportional to 221,623.16, 305,764.07 and 126,105.93

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Solution

The fourth proportional to 221,623.16, 305,764.07 and 126,105.93 is: 173,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,623.16 : 305,764.07 = 126,105.93 : x
  2. Step 2: Convert to fraction form
    221,623.16/305,764.07 = 126,105.93/x
  3. Step 3: Cross multiply
    221,623.16x = 305,764.07 × 126,105.93
  4. Step 4: Simplify right side
    221,623.16x = 38,558,661,777.41
  5. Step 5: Solve for x
    x = 38,558,661,777.41/221,623.16
  6. Step 6: Final answer
    x = 173,983.00

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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.