Home / 94,201.94-141,931.22-85,206.44

Finding the Fourth Proportional to 94,201.94, 141,931.22 and 85,206.44

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Solution

The fourth proportional to 94,201.94, 141,931.22 and 85,206.44 is: 128,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,201.94 : 141,931.22 = 85,206.44 : x
  2. Step 2: Convert to fraction form
    94,201.94/141,931.22 = 85,206.44/x
  3. Step 3: Cross multiply
    94,201.94x = 141,931.22 × 85,206.44
  4. Step 4: Simplify right side
    94,201.94x = 12,093,453,981.06
  5. Step 5: Solve for x
    x = 12,093,453,981.06/94,201.94
  6. Step 6: Final answer
    x = 128,377.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.