Home / 143,534.44-215,323.53-73,390.06

Finding the Fourth Proportional to 143,534.44, 215,323.53 and 73,390.06

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Solution

The fourth proportional to 143,534.44, 215,323.53 and 73,390.06 is: 110,096.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,534.44 : 215,323.53 = 73,390.06 : x
  2. Step 2: Convert to fraction form
    143,534.44/215,323.53 = 73,390.06/x
  3. Step 3: Cross multiply
    143,534.44x = 215,323.53 × 73,390.06
  4. Step 4: Simplify right side
    143,534.44x = 15,802,606,786.11
  5. Step 5: Solve for x
    x = 15,802,606,786.11/143,534.44
  6. Step 6: Final answer
    x = 110,096.27

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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.