Home / 147,975.12-204,202.59-80,907.12

Finding the Fourth Proportional to 147,975.12, 204,202.59 and 80,907.12

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Solution

The fourth proportional to 147,975.12, 204,202.59 and 80,907.12 is: 111,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,975.12 : 204,202.59 = 80,907.12 : x
  2. Step 2: Convert to fraction form
    147,975.12/204,202.59 = 80,907.12/x
  3. Step 3: Cross multiply
    147,975.12x = 204,202.59 × 80,907.12
  4. Step 4: Simplify right side
    147,975.12x = 16,521,443,453.44
  5. Step 5: Solve for x
    x = 16,521,443,453.44/147,975.12
  6. Step 6: Final answer
    x = 111,650.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.