Home / 216,052.82-298,206.27-131,240.96

Finding the Fourth Proportional to 216,052.82, 298,206.27 and 131,240.96

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Solution

The fourth proportional to 216,052.82, 298,206.27 and 131,240.96 is: 181,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,052.82 : 298,206.27 = 131,240.96 : x
  2. Step 2: Convert to fraction form
    216,052.82/298,206.27 = 131,240.96/x
  3. Step 3: Cross multiply
    216,052.82x = 298,206.27 × 131,240.96
  4. Step 4: Simplify right side
    216,052.82x = 39,136,875,661.79
  5. Step 5: Solve for x
    x = 39,136,875,661.79/216,052.82
  6. Step 6: Final answer
    x = 181,144.95

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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.