Home / 185,121.31-277,682.00-66,792.61

Finding the Fourth Proportional to 185,121.31, 277,682.00 and 66,792.61

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Solution

The fourth proportional to 185,121.31, 277,682.00 and 66,792.61 is: 100,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,121.31 : 277,682.00 = 66,792.61 : x
  2. Step 2: Convert to fraction form
    185,121.31/277,682.00 = 66,792.61/x
  3. Step 3: Cross multiply
    185,121.31x = 277,682.00 × 66,792.61
  4. Step 4: Simplify right side
    185,121.31x = 18,547,104,950.03
  5. Step 5: Solve for x
    x = 18,547,104,950.03/185,121.31
  6. Step 6: Final answer
    x = 100,188.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.