Home / 212,007.58-318,023.49-60,192.80

Finding the Fourth Proportional to 212,007.58, 318,023.49 and 60,192.80

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Solution

The fourth proportional to 212,007.58, 318,023.49 and 60,192.80 is: 90,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,007.58 : 318,023.49 = 60,192.80 : x
  2. Step 2: Convert to fraction form
    212,007.58/318,023.49 = 60,192.80/x
  3. Step 3: Cross multiply
    212,007.58x = 318,023.49 × 60,192.80
  4. Step 4: Simplify right side
    212,007.58x = 19,142,723,093.33
  5. Step 5: Solve for x
    x = 19,142,723,093.33/212,007.58
  6. Step 6: Final answer
    x = 90,292.64

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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.