Home / 147,199.36-203,161.63-86,766.48

Finding the Fourth Proportional to 147,199.36, 203,161.63 and 86,766.48

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Solution

The fourth proportional to 147,199.36, 203,161.63 and 86,766.48 is: 119,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,199.36 : 203,161.63 = 86,766.48 : x
  2. Step 2: Convert to fraction form
    147,199.36/203,161.63 = 86,766.48/x
  3. Step 3: Cross multiply
    147,199.36x = 203,161.63 × 86,766.48
  4. Step 4: Simplify right side
    147,199.36x = 17,627,619,506.16
  5. Step 5: Solve for x
    x = 17,627,619,506.16/147,199.36
  6. Step 6: Final answer
    x = 119,753.37

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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.