Home / 124,211.34-186,178.43-49,311.45

Finding the Fourth Proportional to 124,211.34, 186,178.43 and 49,311.45

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Solution

The fourth proportional to 124,211.34, 186,178.43 and 49,311.45 is: 73,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,211.34 : 186,178.43 = 49,311.45 : x
  2. Step 2: Convert to fraction form
    124,211.34/186,178.43 = 49,311.45/x
  3. Step 3: Cross multiply
    124,211.34x = 186,178.43 × 49,311.45
  4. Step 4: Simplify right side
    124,211.34x = 9,180,728,465.30
  5. Step 5: Solve for x
    x = 9,180,728,465.30/124,211.34
  6. Step 6: Final answer
    x = 73,912.16

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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.