Home / 114,620.40-171,930.60-74,762.33

Finding the Fourth Proportional to 114,620.40, 171,930.60 and 74,762.33

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Solution

The fourth proportional to 114,620.40, 171,930.60 and 74,762.33 is: 112,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,620.40 : 171,930.60 = 74,762.33 : x
  2. Step 2: Convert to fraction form
    114,620.40/171,930.60 = 74,762.33/x
  3. Step 3: Cross multiply
    114,620.40x = 171,930.60 × 74,762.33
  4. Step 4: Simplify right side
    114,620.40x = 12,853,931,394.65
  5. Step 5: Solve for x
    x = 12,853,931,394.65/114,620.40
  6. Step 6: Final answer
    x = 112,143.49

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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.