Home / 145,668.36-201,022.14-82,026.72

Finding the Fourth Proportional to 145,668.36, 201,022.14 and 82,026.72

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Solution

The fourth proportional to 145,668.36, 201,022.14 and 82,026.72 is: 113,196.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,668.36 : 201,022.14 = 82,026.72 : x
  2. Step 2: Convert to fraction form
    145,668.36/201,022.14 = 82,026.72/x
  3. Step 3: Cross multiply
    145,668.36x = 201,022.14 × 82,026.72
  4. Step 4: Simplify right side
    145,668.36x = 16,489,186,791.58
  5. Step 5: Solve for x
    x = 16,489,186,791.58/145,668.36
  6. Step 6: Final answer
    x = 113,196.76

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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.