Home / 108,161.58-162,261.10-48,211.32

Finding the Fourth Proportional to 108,161.58, 162,261.10 and 48,211.32

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Solution

The fourth proportional to 108,161.58, 162,261.10 and 48,211.32 is: 72,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,161.58 : 162,261.10 = 48,211.32 : x
  2. Step 2: Convert to fraction form
    108,161.58/162,261.10 = 48,211.32/x
  3. Step 3: Cross multiply
    108,161.58x = 162,261.10 × 48,211.32
  4. Step 4: Simplify right side
    108,161.58x = 7,822,821,815.65
  5. Step 5: Solve for x
    x = 7,822,821,815.65/108,161.58
  6. Step 6: Final answer
    x = 72,325.33

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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.