Home / 319,709.45-441,213.74-183,787.40

Finding the Fourth Proportional to 319,709.45, 441,213.74 and 183,787.40

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Solution

The fourth proportional to 319,709.45, 441,213.74 and 183,787.40 is: 253,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,709.45 : 441,213.74 = 183,787.40 : x
  2. Step 2: Convert to fraction form
    319,709.45/441,213.74 = 183,787.40/x
  3. Step 3: Cross multiply
    319,709.45x = 441,213.74 × 183,787.40
  4. Step 4: Simplify right side
    319,709.45x = 81,089,522,993.87
  5. Step 5: Solve for x
    x = 81,089,522,993.87/319,709.45
  6. Step 6: Final answer
    x = 253,635.06

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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.