Home / 147,443.96-203,476.97-83,784.44

Finding the Fourth Proportional to 147,443.96, 203,476.97 and 83,784.44

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Solution

The fourth proportional to 147,443.96, 203,476.97 and 83,784.44 is: 115,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,443.96 : 203,476.97 = 83,784.44 : x
  2. Step 2: Convert to fraction form
    147,443.96/203,476.97 = 83,784.44/x
  3. Step 3: Cross multiply
    147,443.96x = 203,476.97 × 83,784.44
  4. Step 4: Simplify right side
    147,443.96x = 17,048,203,984.35
  5. Step 5: Solve for x
    x = 17,048,203,984.35/147,443.96
  6. Step 6: Final answer
    x = 115,624.97

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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.