Home / 111,926.94-167,890.41-76,759.98

Finding the Fourth Proportional to 111,926.94, 167,890.41 and 76,759.98

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Solution

The fourth proportional to 111,926.94, 167,890.41 and 76,759.98 is: 115,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,926.94 : 167,890.41 = 76,759.98 : x
  2. Step 2: Convert to fraction form
    111,926.94/167,890.41 = 76,759.98/x
  3. Step 3: Cross multiply
    111,926.94x = 167,890.41 × 76,759.98
  4. Step 4: Simplify right side
    111,926.94x = 12,887,264,513.79
  5. Step 5: Solve for x
    x = 12,887,264,513.79/111,926.94
  6. Step 6: Final answer
    x = 115,139.97

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1.5x scale

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.