Home / 147,140.94-203,054.78-83,466.42

Finding the Fourth Proportional to 147,140.94, 203,054.78 and 83,466.42

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Solution

The fourth proportional to 147,140.94, 203,054.78 and 83,466.42 is: 115,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,140.94 : 203,054.78 = 83,466.42 : x
  2. Step 2: Convert to fraction form
    147,140.94/203,054.78 = 83,466.42/x
  3. Step 3: Cross multiply
    147,140.94x = 203,054.78 × 83,466.42
  4. Step 4: Simplify right side
    147,140.94x = 16,948,255,550.49
  5. Step 5: Solve for x
    x = 16,948,255,550.49/147,140.94
  6. Step 6: Final answer
    x = 115,183.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.