Home / 285,327.36-427,515.84-185,362.56

Finding the Fourth Proportional to 285,327.36, 427,515.84 and 185,362.56

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Solution

The fourth proportional to 285,327.36, 427,515.84 and 185,362.56 is: 277,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,327.36 : 427,515.84 = 185,362.56 : x
  2. Step 2: Convert to fraction form
    285,327.36/427,515.84 = 185,362.56/x
  3. Step 3: Cross multiply
    285,327.36x = 427,515.84 × 185,362.56
  4. Step 4: Simplify right side
    285,327.36x = 79,245,430,542.95
  5. Step 5: Solve for x
    x = 79,245,430,542.95/285,327.36
  6. Step 6: Final answer
    x = 277,735.13

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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.