Home / 147,817.24-203,987.97-84,155.03

Finding the Fourth Proportional to 147,817.24, 203,987.97 and 84,155.03

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Solution

The fourth proportional to 147,817.24, 203,987.97 and 84,155.03 is: 116,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,817.24 : 203,987.97 = 84,155.03 : x
  2. Step 2: Convert to fraction form
    147,817.24/203,987.97 = 84,155.03/x
  3. Step 3: Cross multiply
    147,817.24x = 203,987.97 × 84,155.03
  4. Step 4: Simplify right side
    147,817.24x = 17,166,613,734.99
  5. Step 5: Solve for x
    x = 17,166,613,734.99/147,817.24
  6. Step 6: Final answer
    x = 116,134.05

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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.