Home / 118,756.52-178,118.30-30,004.56

Finding the Fourth Proportional to 118,756.52, 178,118.30 and 30,004.56

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Solution

The fourth proportional to 118,756.52, 178,118.30 and 30,004.56 is: 45,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,756.52 : 178,118.30 = 30,004.56 : x
  2. Step 2: Convert to fraction form
    118,756.52/178,118.30 = 30,004.56/x
  3. Step 3: Cross multiply
    118,756.52x = 178,118.30 × 30,004.56
  4. Step 4: Simplify right side
    118,756.52x = 5,344,361,219.45
  5. Step 5: Solve for x
    x = 5,344,361,219.45/118,756.52
  6. Step 6: Final answer
    x = 45,002.68

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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.