Home / 118,181.58-163,091.62-64,466.84

Finding the Fourth Proportional to 118,181.58, 163,091.62 and 64,466.84

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Solution

The fourth proportional to 118,181.58, 163,091.62 and 64,466.84 is: 88,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,181.58 : 163,091.62 = 64,466.84 : x
  2. Step 2: Convert to fraction form
    118,181.58/163,091.62 = 64,466.84/x
  3. Step 3: Cross multiply
    118,181.58x = 163,091.62 × 64,466.84
  4. Step 4: Simplify right side
    118,181.58x = 10,514,001,371.88
  5. Step 5: Solve for x
    x = 10,514,001,371.88/118,181.58
  6. Step 6: Final answer
    x = 88,964.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.