Home / 118,999.05-178,497.20-40,168.63

Finding the Fourth Proportional to 118,999.05, 178,497.20 and 40,168.63

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Solution

The fourth proportional to 118,999.05, 178,497.20 and 40,168.63 is: 60,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,999.05 : 178,497.20 = 40,168.63 : x
  2. Step 2: Convert to fraction form
    118,999.05/178,497.20 = 40,168.63/x
  3. Step 3: Cross multiply
    118,999.05x = 178,497.20 × 40,168.63
  4. Step 4: Simplify right side
    118,999.05x = 7,169,987,781.99
  5. Step 5: Solve for x
    x = 7,169,987,781.99/118,999.05
  6. Step 6: Final answer
    x = 60,252.48

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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.