Home / 190,629.55-285,744.81-64,226.12

Finding the Fourth Proportional to 190,629.55, 285,744.81 and 64,226.12

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Solution

The fourth proportional to 190,629.55, 285,744.81 and 64,226.12 is: 96,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,629.55 : 285,744.81 = 64,226.12 : x
  2. Step 2: Convert to fraction form
    190,629.55/285,744.81 = 64,226.12/x
  3. Step 3: Cross multiply
    190,629.55x = 285,744.81 × 64,226.12
  4. Step 4: Simplify right side
    190,629.55x = 18,352,280,849.67
  5. Step 5: Solve for x
    x = 18,352,280,849.67/190,629.55
  6. Step 6: Final answer
    x = 96,271.96

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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.