Home / 122,157.10-183,089.85-51,079.60

Finding the Fourth Proportional to 122,157.10, 183,089.85 and 51,079.60

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Solution

The fourth proportional to 122,157.10, 183,089.85 and 51,079.60 is: 76,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,157.10 : 183,089.85 = 51,079.60 : x
  2. Step 2: Convert to fraction form
    122,157.10/183,089.85 = 51,079.60/x
  3. Step 3: Cross multiply
    122,157.10x = 183,089.85 × 51,079.60
  4. Step 4: Simplify right side
    122,157.10x = 9,352,156,302.06
  5. Step 5: Solve for x
    x = 9,352,156,302.06/122,157.10
  6. Step 6: Final answer
    x = 76,558.43

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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.