Home / 145,668.58-201,022.22-82,006.49

Finding the Fourth Proportional to 145,668.58, 201,022.22 and 82,006.49

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Solution

The fourth proportional to 145,668.58, 201,022.22 and 82,006.49 is: 113,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,668.58 : 201,022.22 = 82,006.49 : x
  2. Step 2: Convert to fraction form
    145,668.58/201,022.22 = 82,006.49/x
  3. Step 3: Cross multiply
    145,668.58x = 201,022.22 × 82,006.49
  4. Step 4: Simplify right side
    145,668.58x = 16,485,127,381.78
  5. Step 5: Solve for x
    x = 16,485,127,381.78/145,668.58
  6. Step 6: Final answer
    x = 113,168.73

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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.