Home / 134,583.71-185,667.16-80,105.33

Finding the Fourth Proportional to 134,583.71, 185,667.16 and 80,105.33

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Solution

The fourth proportional to 134,583.71, 185,667.16 and 80,105.33 is: 110,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,583.71 : 185,667.16 = 80,105.33 : x
  2. Step 2: Convert to fraction form
    134,583.71/185,667.16 = 80,105.33/x
  3. Step 3: Cross multiply
    134,583.71x = 185,667.16 × 80,105.33
  4. Step 4: Simplify right side
    134,583.71x = 14,872,928,077.66
  5. Step 5: Solve for x
    x = 14,872,928,077.66/134,583.71
  6. Step 6: Final answer
    x = 110,510.62

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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.