Home / 140,515.75-210,758.13-35,334.72

Finding the Fourth Proportional to 140,515.75, 210,758.13 and 35,334.72

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Solution

The fourth proportional to 140,515.75, 210,758.13 and 35,334.72 is: 52,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,515.75 : 210,758.13 = 35,334.72 : x
  2. Step 2: Convert to fraction form
    140,515.75/210,758.13 = 35,334.72/x
  3. Step 3: Cross multiply
    140,515.75x = 210,758.13 × 35,334.72
  4. Step 4: Simplify right side
    140,515.75x = 7,447,079,511.27
  5. Step 5: Solve for x
    x = 7,447,079,511.27/140,515.75
  6. Step 6: Final answer
    x = 52,998.18

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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.