Home / 195,750.56-270,157.43-109,723.57

Finding the Fourth Proportional to 195,750.56, 270,157.43 and 109,723.57

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Solution

The fourth proportional to 195,750.56, 270,157.43 and 109,723.57 is: 151,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,750.56 : 270,157.43 = 109,723.57 : x
  2. Step 2: Convert to fraction form
    195,750.56/270,157.43 = 109,723.57/x
  3. Step 3: Cross multiply
    195,750.56x = 270,157.43 × 109,723.57
  4. Step 4: Simplify right side
    195,750.56x = 29,642,637,280.54
  5. Step 5: Solve for x
    x = 29,642,637,280.54/195,750.56
  6. Step 6: Final answer
    x = 151,430.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.