Home / 118,927.19-164,205.62-76,559.52

Finding the Fourth Proportional to 118,927.19, 164,205.62 and 76,559.52

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Solution

The fourth proportional to 118,927.19, 164,205.62 and 76,559.52 is: 105,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,927.19 : 164,205.62 = 76,559.52 : x
  2. Step 2: Convert to fraction form
    118,927.19/164,205.62 = 76,559.52/x
  3. Step 3: Cross multiply
    118,927.19x = 164,205.62 × 76,559.52
  4. Step 4: Simplify right side
    118,927.19x = 12,571,503,065.70
  5. Step 5: Solve for x
    x = 12,571,503,065.70/118,927.19
  6. Step 6: Final answer
    x = 105,707.56

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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.