Home / 155,782.74-214,995.36-92,141.04

Finding the Fourth Proportional to 155,782.74, 214,995.36 and 92,141.04

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Solution

The fourth proportional to 155,782.74, 214,995.36 and 92,141.04 is: 127,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,782.74 : 214,995.36 = 92,141.04 : x
  2. Step 2: Convert to fraction form
    155,782.74/214,995.36 = 92,141.04/x
  3. Step 3: Cross multiply
    155,782.74x = 214,995.36 × 92,141.04
  4. Step 4: Simplify right side
    155,782.74x = 19,809,896,065.57
  5. Step 5: Solve for x
    x = 19,809,896,065.57/155,782.74
  6. Step 6: Final answer
    x = 127,163.61

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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.