Home / 168,944.55-233,120.40-100,947.15

Finding the Fourth Proportional to 168,944.55, 233,120.40 and 100,947.15

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Solution

The fourth proportional to 168,944.55, 233,120.40 and 100,947.15 is: 139,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,944.55 : 233,120.40 = 100,947.15 : x
  2. Step 2: Convert to fraction form
    168,944.55/233,120.40 = 100,947.15/x
  3. Step 3: Cross multiply
    168,944.55x = 233,120.40 × 100,947.15
  4. Step 4: Simplify right side
    168,944.55x = 23,532,839,986.86
  5. Step 5: Solve for x
    x = 23,532,839,986.86/168,944.55
  6. Step 6: Final answer
    x = 139,293.28

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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.