Home / 312,125.02-468,257.19-122,603.74

Finding the Fourth Proportional to 312,125.02, 468,257.19 and 122,603.74

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Solution

The fourth proportional to 312,125.02, 468,257.19 and 122,603.74 is: 183,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,125.02 : 468,257.19 = 122,603.74 : x
  2. Step 2: Convert to fraction form
    312,125.02/468,257.19 = 122,603.74/x
  3. Step 3: Cross multiply
    312,125.02x = 468,257.19 × 122,603.74
  4. Step 4: Simplify right side
    312,125.02x = 57,410,082,775.89
  5. Step 5: Solve for x
    x = 57,410,082,775.89/312,125.02
  6. Step 6: Final answer
    x = 183,932.97

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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.