Home / 118,796.76-178,195.68-30,050.19

Finding the Fourth Proportional to 118,796.76, 178,195.68 and 30,050.19

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Solution

The fourth proportional to 118,796.76, 178,195.68 and 30,050.19 is: 45,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,796.76 : 178,195.68 = 30,050.19 : x
  2. Step 2: Convert to fraction form
    118,796.76/178,195.68 = 30,050.19/x
  3. Step 3: Cross multiply
    118,796.76x = 178,195.68 × 30,050.19
  4. Step 4: Simplify right side
    118,796.76x = 5,354,814,041.18
  5. Step 5: Solve for x
    x = 5,354,814,041.18/118,796.76
  6. Step 6: Final answer
    x = 45,075.42

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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.