Home / 115,111.85-171,890.99-94,092.95

Finding the Fourth Proportional to 115,111.85, 171,890.99 and 94,092.95

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Solution

The fourth proportional to 115,111.85, 171,890.99 and 94,092.95 is: 140,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,111.85 : 171,890.99 = 94,092.95 : x
  2. Step 2: Convert to fraction form
    115,111.85/171,890.99 = 94,092.95/x
  3. Step 3: Cross multiply
    115,111.85x = 171,890.99 × 94,092.95
  4. Step 4: Simplify right side
    115,111.85x = 16,173,728,997.60
  5. Step 5: Solve for x
    x = 16,173,728,997.60/115,111.85
  6. Step 6: Final answer
    x = 140,504.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.