Home / 144,439.49-199,376.60-99,267

Finding the Fourth Proportional to 144,439.49, 199,376.60 and 99,267

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Solution

The fourth proportional to 144,439.49, 199,376.60 and 99,267 is: 137,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,439.49 : 199,376.60 = 99,267 : x
  2. Step 2: Convert to fraction form
    144,439.49/199,376.60 = 99,267/x
  3. Step 3: Cross multiply
    144,439.49x = 199,376.60 × 99,267
  4. Step 4: Simplify right side
    144,439.49x = 19,791,516,952.20
  5. Step 5: Solve for x
    x = 19,791,516,952.20/144,439.49
  6. Step 6: Final answer
    x = 137,022.89

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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.