Home / 144,890.40-217,335.60-124,845.60

Finding the Fourth Proportional to 144,890.40, 217,335.60 and 124,845.60

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Solution

The fourth proportional to 144,890.40, 217,335.60 and 124,845.60 is: 187,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,890.40 : 217,335.60 = 124,845.60 : x
  2. Step 2: Convert to fraction form
    144,890.40/217,335.60 = 124,845.60/x
  3. Step 3: Cross multiply
    144,890.40x = 217,335.60 × 124,845.60
  4. Step 4: Simplify right side
    144,890.40x = 27,133,393,383.36
  5. Step 5: Solve for x
    x = 27,133,393,383.36/144,890.40
  6. Step 6: Final answer
    x = 187,268.40

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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.