Home / 147,709.04-203,839.29-84,046.82

Finding the Fourth Proportional to 147,709.04, 203,839.29 and 84,046.82

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Solution

The fourth proportional to 147,709.04, 203,839.29 and 84,046.82 is: 115,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,709.04 : 203,839.29 = 84,046.82 : x
  2. Step 2: Convert to fraction form
    147,709.04/203,839.29 = 84,046.82/x
  3. Step 3: Cross multiply
    147,709.04x = 203,839.29 × 84,046.82
  4. Step 4: Simplify right side
    147,709.04x = 17,132,043,096.36
  5. Step 5: Solve for x
    x = 17,132,043,096.36/147,709.04
  6. Step 6: Final answer
    x = 115,985.07

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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.