Home / 190,394.42-285,591.62-96,965.78

Finding the Fourth Proportional to 190,394.42, 285,591.62 and 96,965.78

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Solution

The fourth proportional to 190,394.42, 285,591.62 and 96,965.78 is: 145,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,394.42 : 285,591.62 = 96,965.78 : x
  2. Step 2: Convert to fraction form
    190,394.42/285,591.62 = 96,965.78/x
  3. Step 3: Cross multiply
    190,394.42x = 285,591.62 × 96,965.78
  4. Step 4: Simplify right side
    190,394.42x = 27,692,613,009.22
  5. Step 5: Solve for x
    x = 27,692,613,009.22/190,394.42
  6. Step 6: Final answer
    x = 145,448.66

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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.