Home / 140,884.35-194,440.34-87,186.66

Finding the Fourth Proportional to 140,884.35, 194,440.34 and 87,186.66

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Solution

The fourth proportional to 140,884.35, 194,440.34 and 87,186.66 is: 120,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,884.35 : 194,440.34 = 87,186.66 : x
  2. Step 2: Convert to fraction form
    140,884.35/194,440.34 = 87,186.66/x
  3. Step 3: Cross multiply
    140,884.35x = 194,440.34 × 87,186.66
  4. Step 4: Simplify right side
    140,884.35x = 16,952,603,813.86
  5. Step 5: Solve for x
    x = 16,952,603,813.86/140,884.35
  6. Step 6: Final answer
    x = 120,329.93

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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.