Home / 147,857.66-204,043.35-84,195.47

Finding the Fourth Proportional to 147,857.66, 204,043.35 and 84,195.47

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Solution

The fourth proportional to 147,857.66, 204,043.35 and 84,195.47 is: 116,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,857.66 : 204,043.35 = 84,195.47 : x
  2. Step 2: Convert to fraction form
    147,857.66/204,043.35 = 84,195.47/x
  3. Step 3: Cross multiply
    147,857.66x = 204,043.35 × 84,195.47
  4. Step 4: Simplify right side
    147,857.66x = 17,179,525,753.62
  5. Step 5: Solve for x
    x = 17,179,525,753.62/147,857.66
  6. Step 6: Final answer
    x = 116,189.62

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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.