Home / 140,786.13-211,173.69-52,037.67

Finding the Fourth Proportional to 140,786.13, 211,173.69 and 52,037.67

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Solution

The fourth proportional to 140,786.13, 211,173.69 and 52,037.67 is: 78,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,786.13 : 211,173.69 = 52,037.67 : x
  2. Step 2: Convert to fraction form
    140,786.13/211,173.69 = 52,037.67/x
  3. Step 3: Cross multiply
    140,786.13x = 211,173.69 × 52,037.67
  4. Step 4: Simplify right side
    140,786.13x = 10,988,986,792.90
  5. Step 5: Solve for x
    x = 10,988,986,792.90/140,786.13
  6. Step 6: Final answer
    x = 78,054.47

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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.