Home / 154,511.34-213,247.25-111,629.61

Finding the Fourth Proportional to 154,511.34, 213,247.25 and 111,629.61

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Solution

The fourth proportional to 154,511.34, 213,247.25 and 111,629.61 is: 154,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,511.34 : 213,247.25 = 111,629.61 : x
  2. Step 2: Convert to fraction form
    154,511.34/213,247.25 = 111,629.61/x
  3. Step 3: Cross multiply
    154,511.34x = 213,247.25 × 111,629.61
  4. Step 4: Simplify right side
    154,511.34x = 23,804,705,726.69
  5. Step 5: Solve for x
    x = 23,804,705,726.69/154,511.34
  6. Step 6: Final answer
    x = 154,064.46

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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.