Home / 243,820.19-336,539.48-141,865.34

Finding the Fourth Proportional to 243,820.19, 336,539.48 and 141,865.34

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Solution

The fourth proportional to 243,820.19, 336,539.48 and 141,865.34 is: 195,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,820.19 : 336,539.48 = 141,865.34 : x
  2. Step 2: Convert to fraction form
    243,820.19/336,539.48 = 141,865.34/x
  3. Step 3: Cross multiply
    243,820.19x = 336,539.48 × 141,865.34
  4. Step 4: Simplify right side
    243,820.19x = 47,743,285,361.60
  5. Step 5: Solve for x
    x = 47,743,285,361.60/243,820.19
  6. Step 6: Final answer
    x = 195,813.51

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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.