Home / 140,684.39-194,144.55-77,022.19

Finding the Fourth Proportional to 140,684.39, 194,144.55 and 77,022.19

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Solution

The fourth proportional to 140,684.39, 194,144.55 and 77,022.19 is: 106,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,684.39 : 194,144.55 = 77,022.19 : x
  2. Step 2: Convert to fraction form
    140,684.39/194,144.55 = 77,022.19/x
  3. Step 3: Cross multiply
    140,684.39x = 194,144.55 × 77,022.19
  4. Step 4: Simplify right side
    140,684.39x = 14,953,438,371.41
  5. Step 5: Solve for x
    x = 14,953,438,371.41/140,684.39
  6. Step 6: Final answer
    x = 106,290.67

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1.5x scale

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.