Home / 201,025.80-301,429.35-82,709.10

Finding the Fourth Proportional to 201,025.80, 301,429.35 and 82,709.10

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Solution

The fourth proportional to 201,025.80, 301,429.35 and 82,709.10 is: 124,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,025.80 : 301,429.35 = 82,709.10 : x
  2. Step 2: Convert to fraction form
    201,025.80/301,429.35 = 82,709.10/x
  3. Step 3: Cross multiply
    201,025.80x = 301,429.35 × 82,709.10
  4. Step 4: Simplify right side
    201,025.80x = 24,930,950,252.09
  5. Step 5: Solve for x
    x = 24,930,950,252.09/201,025.80
  6. Step 6: Final answer
    x = 124,018.66

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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.