Home / 142,576.00-196,798.68-82,187.01

Finding the Fourth Proportional to 142,576.00, 196,798.68 and 82,187.01

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Solution

The fourth proportional to 142,576.00, 196,798.68 and 82,187.01 is: 113,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,576.00 : 196,798.68 = 82,187.01 : x
  2. Step 2: Convert to fraction form
    142,576.00/196,798.68 = 82,187.01/x
  3. Step 3: Cross multiply
    142,576.00x = 196,798.68 × 82,187.01
  4. Step 4: Simplify right side
    142,576.00x = 16,174,295,081.15
  5. Step 5: Solve for x
    x = 16,174,295,081.15/142,576.00
  6. Step 6: Final answer
    x = 113,443.32

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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.