Home / 140,568.96-210,853.45-40,729.22

Finding the Fourth Proportional to 140,568.96, 210,853.45 and 40,729.22

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Solution

The fourth proportional to 140,568.96, 210,853.45 and 40,729.22 is: 61,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,568.96 : 210,853.45 = 40,729.22 : x
  2. Step 2: Convert to fraction form
    140,568.96/210,853.45 = 40,729.22/x
  3. Step 3: Cross multiply
    140,568.96x = 210,853.45 × 40,729.22
  4. Step 4: Simplify right side
    140,568.96x = 8,587,896,552.81
  5. Step 5: Solve for x
    x = 8,587,896,552.81/140,568.96
  6. Step 6: Final answer
    x = 61,093.83

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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.