Home / 118,930.40-178,399.36-44,069.28

Finding the Fourth Proportional to 118,930.40, 178,399.36 and 44,069.28

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Solution

The fourth proportional to 118,930.40, 178,399.36 and 44,069.28 is: 66,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,930.40 : 178,399.36 = 44,069.28 : x
  2. Step 2: Convert to fraction form
    118,930.40/178,399.36 = 44,069.28/x
  3. Step 3: Cross multiply
    118,930.40x = 178,399.36 × 44,069.28
  4. Step 4: Simplify right side
    118,930.40x = 7,861,931,347.66
  5. Step 5: Solve for x
    x = 7,861,931,347.66/118,930.40
  6. Step 6: Final answer
    x = 66,105.31

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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.