Home / 183,038.20-274,557.30-77,860.60

Finding the Fourth Proportional to 183,038.20, 274,557.30 and 77,860.60

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Solution

The fourth proportional to 183,038.20, 274,557.30 and 77,860.60 is: 116,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,038.20 : 274,557.30 = 77,860.60 : x
  2. Step 2: Convert to fraction form
    183,038.20/274,557.30 = 77,860.60/x
  3. Step 3: Cross multiply
    183,038.20x = 274,557.30 × 77,860.60
  4. Step 4: Simplify right side
    183,038.20x = 21,377,196,112.38
  5. Step 5: Solve for x
    x = 21,377,196,112.38/183,038.20
  6. Step 6: Final answer
    x = 116,790.90

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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.