Home / 122,240.84-183,432.74-51,157.53

Finding the Fourth Proportional to 122,240.84, 183,432.74 and 51,157.53

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Solution

The fourth proportional to 122,240.84, 183,432.74 and 51,157.53 is: 76,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,240.84 : 183,432.74 = 51,157.53 : x
  2. Step 2: Convert to fraction form
    122,240.84/183,432.74 = 51,157.53/x
  3. Step 3: Cross multiply
    122,240.84x = 183,432.74 × 51,157.53
  4. Step 4: Simplify right side
    122,240.84x = 9,383,965,643.74
  5. Step 5: Solve for x
    x = 9,383,965,643.74/122,240.84
  6. Step 6: Final answer
    x = 76,766.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.