Home / 124,391.20-186,975.60-122,058.40

Finding the Fourth Proportional to 124,391.20, 186,975.60 and 122,058.40

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Solution

The fourth proportional to 124,391.20, 186,975.60 and 122,058.40 is: 183,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,391.20 : 186,975.60 = 122,058.40 : x
  2. Step 2: Convert to fraction form
    124,391.20/186,975.60 = 122,058.40/x
  3. Step 3: Cross multiply
    124,391.20x = 186,975.60 × 122,058.40
  4. Step 4: Simplify right side
    124,391.20x = 22,821,942,575.04
  5. Step 5: Solve for x
    x = 22,821,942,575.04/124,391.20
  6. Step 6: Final answer
    x = 183,469.11

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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.