Home / 190,623.88-285,484.94-165,527.54

Finding the Fourth Proportional to 190,623.88, 285,484.94 and 165,527.54

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Solution

The fourth proportional to 190,623.88, 285,484.94 and 165,527.54 is: 247,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,623.88 : 285,484.94 = 165,527.54 : x
  2. Step 2: Convert to fraction form
    190,623.88/285,484.94 = 165,527.54/x
  3. Step 3: Cross multiply
    190,623.88x = 285,484.94 × 165,527.54
  4. Step 4: Simplify right side
    190,623.88x = 47,255,619,825.25
  5. Step 5: Solve for x
    x = 47,255,619,825.25/190,623.88
  6. Step 6: Final answer
    x = 247,899.79

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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.