Home / 230,688.56-318,350.43-135,195.36

Finding the Fourth Proportional to 230,688.56, 318,350.43 and 135,195.36

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Solution

The fourth proportional to 230,688.56, 318,350.43 and 135,195.36 is: 186,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,688.56 : 318,350.43 = 135,195.36 : x
  2. Step 2: Convert to fraction form
    230,688.56/318,350.43 = 135,195.36/x
  3. Step 3: Cross multiply
    230,688.56x = 318,350.43 × 135,195.36
  4. Step 4: Simplify right side
    230,688.56x = 43,039,500,990.00
  5. Step 5: Solve for x
    x = 43,039,500,990.00/230,688.56
  6. Step 6: Final answer
    x = 186,569.73

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1.5x scale

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.