Home / 140,068.66-193,289.04-82,726.54

Finding the Fourth Proportional to 140,068.66, 193,289.04 and 82,726.54

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Solution

The fourth proportional to 140,068.66, 193,289.04 and 82,726.54 is: 114,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,068.66 : 193,289.04 = 82,726.54 : x
  2. Step 2: Convert to fraction form
    140,068.66/193,289.04 = 82,726.54/x
  3. Step 3: Cross multiply
    140,068.66x = 193,289.04 × 82,726.54
  4. Step 4: Simplify right side
    140,068.66x = 15,990,133,661.73
  5. Step 5: Solve for x
    x = 15,990,133,661.73/140,068.66
  6. Step 6: Final answer
    x = 114,159.26

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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.