Home / 122,515.40-183,773.10-43,718.60

Finding the Fourth Proportional to 122,515.40, 183,773.10 and 43,718.60

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Solution

The fourth proportional to 122,515.40, 183,773.10 and 43,718.60 is: 65,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,515.40 : 183,773.10 = 43,718.60 : x
  2. Step 2: Convert to fraction form
    122,515.40/183,773.10 = 43,718.60/x
  3. Step 3: Cross multiply
    122,515.40x = 183,773.10 × 43,718.60
  4. Step 4: Simplify right side
    122,515.40x = 8,034,302,649.66
  5. Step 5: Solve for x
    x = 8,034,302,649.66/122,515.40
  6. Step 6: Final answer
    x = 65,577.90

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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.