Home / 94,114.40-140,494.62-80,642.34

Finding the Fourth Proportional to 94,114.40, 140,494.62 and 80,642.34

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Solution

The fourth proportional to 94,114.40, 140,494.62 and 80,642.34 is: 120,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,114.40 : 140,494.62 = 80,642.34 : x
  2. Step 2: Convert to fraction form
    94,114.40/140,494.62 = 80,642.34/x
  3. Step 3: Cross multiply
    94,114.40x = 140,494.62 × 80,642.34
  4. Step 4: Simplify right side
    94,114.40x = 11,329,814,914.21
  5. Step 5: Solve for x
    x = 11,329,814,914.21/94,114.40
  6. Step 6: Final answer
    x = 120,383.44

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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.