Home / 147,605.06-203,687.79-83,941.49

Finding the Fourth Proportional to 147,605.06, 203,687.79 and 83,941.49

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Solution

The fourth proportional to 147,605.06, 203,687.79 and 83,941.49 is: 115,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,605.06 : 203,687.79 = 83,941.49 : x
  2. Step 2: Convert to fraction form
    147,605.06/203,687.79 = 83,941.49/x
  3. Step 3: Cross multiply
    147,605.06x = 203,687.79 × 83,941.49
  4. Step 4: Simplify right side
    147,605.06x = 17,097,856,587.41
  5. Step 5: Solve for x
    x = 17,097,856,587.41/147,605.06
  6. Step 6: Final answer
    x = 115,835.17

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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.