Home / 147,174.80-203,103.35-82,658.00

Finding the Fourth Proportional to 147,174.80, 203,103.35 and 82,658.00

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Solution

The fourth proportional to 147,174.80, 203,103.35 and 82,658.00 is: 114,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,174.80 : 203,103.35 = 82,658.00 : x
  2. Step 2: Convert to fraction form
    147,174.80/203,103.35 = 82,658.00/x
  3. Step 3: Cross multiply
    147,174.80x = 203,103.35 × 82,658.00
  4. Step 4: Simplify right side
    147,174.80x = 16,788,115,966.28
  5. Step 5: Solve for x
    x = 16,788,115,966.28/147,174.80
  6. Step 6: Final answer
    x = 114,069.23

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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.