Home / 118,803.15-178,187.97-30,051.18

Finding the Fourth Proportional to 118,803.15, 178,187.97 and 30,051.18

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Solution

The fourth proportional to 118,803.15, 178,187.97 and 30,051.18 is: 45,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,803.15 : 178,187.97 = 30,051.18 : x
  2. Step 2: Convert to fraction form
    118,803.15/178,187.97 = 30,051.18/x
  3. Step 3: Cross multiply
    118,803.15x = 178,187.97 × 30,051.18
  4. Step 4: Simplify right side
    118,803.15x = 5,354,758,760.30
  5. Step 5: Solve for x
    x = 5,354,758,760.30/118,803.15
  6. Step 6: Final answer
    x = 45,072.53

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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.