Home / 111,184.87-153,436.32-60,198.66

Finding the Fourth Proportional to 111,184.87, 153,436.32 and 60,198.66

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Solution

The fourth proportional to 111,184.87, 153,436.32 and 60,198.66 is: 83,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,184.87 : 153,436.32 = 60,198.66 : x
  2. Step 2: Convert to fraction form
    111,184.87/153,436.32 = 60,198.66/x
  3. Step 3: Cross multiply
    111,184.87x = 153,436.32 × 60,198.66
  4. Step 4: Simplify right side
    111,184.87x = 9,236,660,859.33
  5. Step 5: Solve for x
    x = 9,236,660,859.33/111,184.87
  6. Step 6: Final answer
    x = 83,074.80

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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.