Home / 155,508.42-214,405.44-101,708.22

Finding the Fourth Proportional to 155,508.42, 214,405.44 and 101,708.22

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Solution

The fourth proportional to 155,508.42, 214,405.44 and 101,708.22 is: 140,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,508.42 : 214,405.44 = 101,708.22 : x
  2. Step 2: Convert to fraction form
    155,508.42/214,405.44 = 101,708.22/x
  3. Step 3: Cross multiply
    155,508.42x = 214,405.44 × 101,708.22
  4. Step 4: Simplify right side
    155,508.42x = 21,806,795,660.72
  5. Step 5: Solve for x
    x = 21,806,795,660.72/155,508.42
  6. Step 6: Final answer
    x = 140,229.03

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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.