Home / 277,190.21-382,521.66-149,865.81

Finding the Fourth Proportional to 277,190.21, 382,521.66 and 149,865.81

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Solution

The fourth proportional to 277,190.21, 382,521.66 and 149,865.81 is: 206,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,190.21 : 382,521.66 = 149,865.81 : x
  2. Step 2: Convert to fraction form
    277,190.21/382,521.66 = 149,865.81/x
  3. Step 3: Cross multiply
    277,190.21x = 382,521.66 × 149,865.81
  4. Step 4: Simplify right side
    277,190.21x = 57,326,916,421.99
  5. Step 5: Solve for x
    x = 57,326,916,421.99/277,190.21
  6. Step 6: Final answer
    x = 206,814.36

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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.