Home / 190,238.42-285,113.34-71,768.60

Finding the Fourth Proportional to 190,238.42, 285,113.34 and 71,768.60

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Solution

The fourth proportional to 190,238.42, 285,113.34 and 71,768.60 is: 107,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,238.42 : 285,113.34 = 71,768.60 : x
  2. Step 2: Convert to fraction form
    190,238.42/285,113.34 = 71,768.60/x
  3. Step 3: Cross multiply
    190,238.42x = 285,113.34 × 71,768.60
  4. Step 4: Simplify right side
    190,238.42x = 20,462,185,253.12
  5. Step 5: Solve for x
    x = 20,462,185,253.12/190,238.42
  6. Step 6: Final answer
    x = 107,560.74

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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.