Home / 143,335.23-215,004.16-43,495.43

Finding the Fourth Proportional to 143,335.23, 215,004.16 and 43,495.43

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Solution

The fourth proportional to 143,335.23, 215,004.16 and 43,495.43 is: 65,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,335.23 : 215,004.16 = 43,495.43 : x
  2. Step 2: Convert to fraction form
    143,335.23/215,004.16 = 43,495.43/x
  3. Step 3: Cross multiply
    143,335.23x = 215,004.16 × 43,495.43
  4. Step 4: Simplify right side
    143,335.23x = 9,351,698,637.42
  5. Step 5: Solve for x
    x = 9,351,698,637.42/143,335.23
  6. Step 6: Final answer
    x = 65,243.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.