Home / 122,431.02-183,646.24-69,098.82

Finding the Fourth Proportional to 122,431.02, 183,646.24 and 69,098.82

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Solution

The fourth proportional to 122,431.02, 183,646.24 and 69,098.82 is: 103,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,431.02 : 183,646.24 = 69,098.82 : x
  2. Step 2: Convert to fraction form
    122,431.02/183,646.24 = 69,098.82/x
  3. Step 3: Cross multiply
    122,431.02x = 183,646.24 × 69,098.82
  4. Step 4: Simplify right side
    122,431.02x = 12,689,738,481.44
  5. Step 5: Solve for x
    x = 12,689,738,481.44/122,431.02
  6. Step 6: Final answer
    x = 103,648.07

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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.