Home / 144,098.09-215,704.22-122,840.45

Finding the Fourth Proportional to 144,098.09, 215,704.22 and 122,840.45

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Solution

The fourth proportional to 144,098.09, 215,704.22 and 122,840.45 is: 183,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,098.09 : 215,704.22 = 122,840.45 : x
  2. Step 2: Convert to fraction form
    144,098.09/215,704.22 = 122,840.45/x
  3. Step 3: Cross multiply
    144,098.09x = 215,704.22 × 122,840.45
  4. Step 4: Simplify right side
    144,098.09x = 26,497,201,758.98
  5. Step 5: Solve for x
    x = 26,497,201,758.98/144,098.09
  6. Step 6: Final answer
    x = 183,883.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.