Home / 140,159.56-210,170.22-51,346.12

Finding the Fourth Proportional to 140,159.56, 210,170.22 and 51,346.12

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Solution

The fourth proportional to 140,159.56, 210,170.22 and 51,346.12 is: 76,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,159.56 : 210,170.22 = 51,346.12 : x
  2. Step 2: Convert to fraction form
    140,159.56/210,170.22 = 51,346.12/x
  3. Step 3: Cross multiply
    140,159.56x = 210,170.22 × 51,346.12
  4. Step 4: Simplify right side
    140,159.56x = 10,791,425,336.55
  5. Step 5: Solve for x
    x = 10,791,425,336.55/140,159.56
  6. Step 6: Final answer
    x = 76,993.86

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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.