Home / 127,050.80-174,815.16-104,306

Finding the Fourth Proportional to 127,050.80, 174,815.16 and 104,306

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Solution

The fourth proportional to 127,050.80, 174,815.16 and 104,306 is: 143,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,050.80 : 174,815.16 = 104,306 : x
  2. Step 2: Convert to fraction form
    127,050.80/174,815.16 = 104,306/x
  3. Step 3: Cross multiply
    127,050.80x = 174,815.16 × 104,306
  4. Step 4: Simplify right side
    127,050.80x = 18,234,270,078.96
  5. Step 5: Solve for x
    x = 18,234,270,078.96/127,050.80
  6. Step 6: Final answer
    x = 143,519.52

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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.