Home / 243,820.53-336,539.96-141,865.70

Finding the Fourth Proportional to 243,820.53, 336,539.96 and 141,865.70

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Solution

The fourth proportional to 243,820.53, 336,539.96 and 141,865.70 is: 195,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,820.53 : 336,539.96 = 141,865.70 : x
  2. Step 2: Convert to fraction form
    243,820.53/336,539.96 = 141,865.70/x
  3. Step 3: Cross multiply
    243,820.53x = 336,539.96 × 141,865.70
  4. Step 4: Simplify right side
    243,820.53x = 47,743,474,611.34
  5. Step 5: Solve for x
    x = 47,743,474,611.34/243,820.53
  6. Step 6: Final answer
    x = 195,814.01

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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.