Home / 112,005.99-154,558.94-64,249.20

Finding the Fourth Proportional to 112,005.99, 154,558.94 and 64,249.20

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Solution

The fourth proportional to 112,005.99, 154,558.94 and 64,249.20 is: 88,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,005.99 : 154,558.94 = 64,249.20 : x
  2. Step 2: Convert to fraction form
    112,005.99/154,558.94 = 64,249.20/x
  3. Step 3: Cross multiply
    112,005.99x = 154,558.94 × 64,249.20
  4. Step 4: Simplify right side
    112,005.99x = 9,930,287,926.60
  5. Step 5: Solve for x
    x = 9,930,287,926.60/112,005.99
  6. Step 6: Final answer
    x = 88,658.54

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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.