Home / 190,449.45-285,693.62-65,774.25

Finding the Fourth Proportional to 190,449.45, 285,693.62 and 65,774.25

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Solution

The fourth proportional to 190,449.45, 285,693.62 and 65,774.25 is: 98,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,449.45 : 285,693.62 = 65,774.25 : x
  2. Step 2: Convert to fraction form
    190,449.45/285,693.62 = 65,774.25/x
  3. Step 3: Cross multiply
    190,449.45x = 285,693.62 × 65,774.25
  4. Step 4: Simplify right side
    190,449.45x = 18,791,283,256.41
  5. Step 5: Solve for x
    x = 18,791,283,256.41/190,449.45
  6. Step 6: Final answer
    x = 98,668.09

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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.