Home / 190,766.48-285,974.52-66,020.24

Finding the Fourth Proportional to 190,766.48, 285,974.52 and 66,020.24

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Solution

The fourth proportional to 190,766.48, 285,974.52 and 66,020.24 is: 98,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,766.48 : 285,974.52 = 66,020.24 : x
  2. Step 2: Convert to fraction form
    190,766.48/285,974.52 = 66,020.24/x
  3. Step 3: Cross multiply
    190,766.48x = 285,974.52 × 66,020.24
  4. Step 4: Simplify right side
    190,766.48x = 18,880,106,444.28
  5. Step 5: Solve for x
    x = 18,880,106,444.28/190,766.48
  6. Step 6: Final answer
    x = 98,969.73

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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.