Home / 190,341.38-285,512.07-65,682.38

Finding the Fourth Proportional to 190,341.38, 285,512.07 and 65,682.38

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Solution

The fourth proportional to 190,341.38, 285,512.07 and 65,682.38 is: 98,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,341.38 : 285,512.07 = 65,682.38 : x
  2. Step 2: Convert to fraction form
    190,341.38/285,512.07 = 65,682.38/x
  3. Step 3: Cross multiply
    190,341.38x = 285,512.07 × 65,682.38
  4. Step 4: Simplify right side
    190,341.38x = 18,753,110,848.77
  5. Step 5: Solve for x
    x = 18,753,110,848.77/190,341.38
  6. Step 6: Final answer
    x = 98,523.57

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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.