Home / 147,865.30-204,053.89-84,203.12

Finding the Fourth Proportional to 147,865.30, 204,053.89 and 84,203.12

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Solution

The fourth proportional to 147,865.30, 204,053.89 and 84,203.12 is: 116,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,865.30 : 204,053.89 = 84,203.12 : x
  2. Step 2: Convert to fraction form
    147,865.30/204,053.89 = 84,203.12/x
  3. Step 3: Cross multiply
    147,865.30x = 204,053.89 × 84,203.12
  4. Step 4: Simplify right side
    147,865.30x = 17,181,974,186.14
  5. Step 5: Solve for x
    x = 17,181,974,186.14/147,865.30
  6. Step 6: Final answer
    x = 116,200.18

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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.