Home / 147,401.22-203,414.36-83,742.51

Finding the Fourth Proportional to 147,401.22, 203,414.36 and 83,742.51

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Solution

The fourth proportional to 147,401.22, 203,414.36 and 83,742.51 is: 115,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,401.22 : 203,414.36 = 83,742.51 : x
  2. Step 2: Convert to fraction form
    147,401.22/203,414.36 = 83,742.51/x
  3. Step 3: Cross multiply
    147,401.22x = 203,414.36 × 83,742.51
  4. Step 4: Simplify right side
    147,401.22x = 17,034,429,076.44
  5. Step 5: Solve for x
    x = 17,034,429,076.44/147,401.22
  6. Step 6: Final answer
    x = 115,565.05

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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.