Home / 190,412.24-285,518.52-65,723.60

Finding the Fourth Proportional to 190,412.24, 285,518.52 and 65,723.60

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Solution

The fourth proportional to 190,412.24, 285,518.52 and 65,723.60 is: 98,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,412.24 : 285,518.52 = 65,723.60 : x
  2. Step 2: Convert to fraction form
    190,412.24/285,518.52 = 65,723.60/x
  3. Step 3: Cross multiply
    190,412.24x = 285,518.52 × 65,723.60
  4. Step 4: Simplify right side
    190,412.24x = 18,765,305,001.07
  5. Step 5: Solve for x
    x = 18,765,305,001.07/190,412.24
  6. Step 6: Final answer
    x = 98,550.94

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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.