Home / 147,584.36-203,665.74-80,516.36

Finding the Fourth Proportional to 147,584.36, 203,665.74 and 80,516.36

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Solution

The fourth proportional to 147,584.36, 203,665.74 and 80,516.36 is: 111,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,584.36 : 203,665.74 = 80,516.36 : x
  2. Step 2: Convert to fraction form
    147,584.36/203,665.74 = 80,516.36/x
  3. Step 3: Cross multiply
    147,584.36x = 203,665.74 × 80,516.36
  4. Step 4: Simplify right side
    147,584.36x = 16,398,424,041.51
  5. Step 5: Solve for x
    x = 16,398,424,041.51/147,584.36
  6. Step 6: Final answer
    x = 111,112.21

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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.