Home / 124,912.30-187,280.82-46,016.40

Finding the Fourth Proportional to 124,912.30, 187,280.82 and 46,016.40

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Solution

The fourth proportional to 124,912.30, 187,280.82 and 46,016.40 is: 68,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912.30 : 187,280.82 = 46,016.40 : x
  2. Step 2: Convert to fraction form
    124,912.30/187,280.82 = 46,016.40/x
  3. Step 3: Cross multiply
    124,912.30x = 187,280.82 × 46,016.40
  4. Step 4: Simplify right side
    124,912.30x = 8,617,989,125.45
  5. Step 5: Solve for x
    x = 8,617,989,125.45/124,912.30
  6. Step 6: Final answer
    x = 68,992.32

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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.