Home / 111,511.40-167,267.10-64,272.20

Finding the Fourth Proportional to 111,511.40, 167,267.10 and 64,272.20

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Solution

The fourth proportional to 111,511.40, 167,267.10 and 64,272.20 is: 96,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,511.40 : 167,267.10 = 64,272.20 : x
  2. Step 2: Convert to fraction form
    111,511.40/167,267.10 = 64,272.20/x
  3. Step 3: Cross multiply
    111,511.40x = 167,267.10 × 64,272.20
  4. Step 4: Simplify right side
    111,511.40x = 10,750,624,504.62
  5. Step 5: Solve for x
    x = 10,750,624,504.62/111,511.40
  6. Step 6: Final answer
    x = 96,408.30

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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.