Home / 426,052.12-639,408.66-160,054.60

Finding the Fourth Proportional to 426,052.12, 639,408.66 and 160,054.60

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Solution

The fourth proportional to 426,052.12, 639,408.66 and 160,054.60 is: 240,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,052.12 : 639,408.66 = 160,054.60 : x
  2. Step 2: Convert to fraction form
    426,052.12/639,408.66 = 160,054.60/x
  3. Step 3: Cross multiply
    426,052.12x = 639,408.66 × 160,054.60
  4. Step 4: Simplify right side
    426,052.12x = 102,340,297,312.84
  5. Step 5: Solve for x
    x = 102,340,297,312.84/426,052.12
  6. Step 6: Final answer
    x = 240,206.05

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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.