Home / 282,560.11-423,840.36-72,198.25

Finding the Fourth Proportional to 282,560.11, 423,840.36 and 72,198.25

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Solution

The fourth proportional to 282,560.11, 423,840.36 and 72,198.25 is: 108,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,560.11 : 423,840.36 = 72,198.25 : x
  2. Step 2: Convert to fraction form
    282,560.11/423,840.36 = 72,198.25/x
  3. Step 3: Cross multiply
    282,560.11x = 423,840.36 × 72,198.25
  4. Step 4: Simplify right side
    282,560.11x = 30,600,532,271.37
  5. Step 5: Solve for x
    x = 30,600,532,271.37/282,560.11
  6. Step 6: Final answer
    x = 108,297.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.