Home / 192,787.50-266,050.04-105,580.27

Finding the Fourth Proportional to 192,787.50, 266,050.04 and 105,580.27

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Solution

The fourth proportional to 192,787.50, 266,050.04 and 105,580.27 is: 145,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,787.50 : 266,050.04 = 105,580.27 : x
  2. Step 2: Convert to fraction form
    192,787.50/266,050.04 = 105,580.27/x
  3. Step 3: Cross multiply
    192,787.50x = 266,050.04 × 105,580.27
  4. Step 4: Simplify right side
    192,787.50x = 28,089,635,320.66
  5. Step 5: Solve for x
    x = 28,089,635,320.66/192,787.50
  6. Step 6: Final answer
    x = 145,702.57

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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.