Home / 122,480.10-183,736.89-43,575.30

Finding the Fourth Proportional to 122,480.10, 183,736.89 and 43,575.30

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Solution

The fourth proportional to 122,480.10, 183,736.89 and 43,575.30 is: 65,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,480.10 : 183,736.89 = 43,575.30 : x
  2. Step 2: Convert to fraction form
    122,480.10/183,736.89 = 43,575.30/x
  3. Step 3: Cross multiply
    122,480.10x = 183,736.89 × 43,575.30
  4. Step 4: Simplify right side
    122,480.10x = 8,006,390,102.82
  5. Step 5: Solve for x
    x = 8,006,390,102.82/122,480.10
  6. Step 6: Final answer
    x = 65,368.91

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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.