Home / 112,198.24-154,842.80-64,460.80

Finding the Fourth Proportional to 112,198.24, 154,842.80 and 64,460.80

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Solution

The fourth proportional to 112,198.24, 154,842.80 and 64,460.80 is: 88,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,198.24 : 154,842.80 = 64,460.80 : x
  2. Step 2: Convert to fraction form
    112,198.24/154,842.80 = 64,460.80/x
  3. Step 3: Cross multiply
    112,198.24x = 154,842.80 × 64,460.80
  4. Step 4: Simplify right side
    112,198.24x = 9,981,290,762.24
  5. Step 5: Solve for x
    x = 9,981,290,762.24/112,198.24
  6. Step 6: Final answer
    x = 88,961.21

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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.