Home / 118,923.25-178,384.88-30,177.22

Finding the Fourth Proportional to 118,923.25, 178,384.88 and 30,177.22

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Solution

The fourth proportional to 118,923.25, 178,384.88 and 30,177.22 is: 45,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,923.25 : 178,384.88 = 30,177.22 : x
  2. Step 2: Convert to fraction form
    118,923.25/178,384.88 = 30,177.22/x
  3. Step 3: Cross multiply
    118,923.25x = 178,384.88 × 30,177.22
  4. Step 4: Simplify right side
    118,923.25x = 5,383,159,768.43
  5. Step 5: Solve for x
    x = 5,383,159,768.43/118,923.25
  6. Step 6: Final answer
    x = 45,265.83

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1.5x scale

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.