Home / 149,021.70-223,273.35-122,583.30

Finding the Fourth Proportional to 149,021.70, 223,273.35 and 122,583.30

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Solution

The fourth proportional to 149,021.70, 223,273.35 and 122,583.30 is: 183,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,021.70 : 223,273.35 = 122,583.30 : x
  2. Step 2: Convert to fraction form
    149,021.70/223,273.35 = 122,583.30/x
  3. Step 3: Cross multiply
    149,021.70x = 223,273.35 × 122,583.30
  4. Step 4: Simplify right side
    149,021.70x = 27,369,584,045.06
  5. Step 5: Solve for x
    x = 27,369,584,045.06/149,021.70
  6. Step 6: Final answer
    x = 183,661.74

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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.