Home / 147,336.51-203,325.20-86,086.29

Finding the Fourth Proportional to 147,336.51, 203,325.20 and 86,086.29

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Solution

The fourth proportional to 147,336.51, 203,325.20 and 86,086.29 is: 118,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,336.51 : 203,325.20 = 86,086.29 : x
  2. Step 2: Convert to fraction form
    147,336.51/203,325.20 = 86,086.29/x
  3. Step 3: Cross multiply
    147,336.51x = 203,325.20 × 86,086.29
  4. Step 4: Simplify right side
    147,336.51x = 17,503,512,463.55
  5. Step 5: Solve for x
    x = 17,503,512,463.55/147,336.51
  6. Step 6: Final answer
    x = 118,799.56

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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.