Home / 147,122.48-203,033.64-90,566.48

Finding the Fourth Proportional to 147,122.48, 203,033.64 and 90,566.48

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Solution

The fourth proportional to 147,122.48, 203,033.64 and 90,566.48 is: 124,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,122.48 : 203,033.64 = 90,566.48 : x
  2. Step 2: Convert to fraction form
    147,122.48/203,033.64 = 90,566.48/x
  3. Step 3: Cross multiply
    147,122.48x = 203,033.64 × 90,566.48
  4. Step 4: Simplify right side
    147,122.48x = 18,388,042,096.39
  5. Step 5: Solve for x
    x = 18,388,042,096.39/147,122.48
  6. Step 6: Final answer
    x = 124,984.58

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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.