Home / 140,855.32-194,380.95-76,324.69

Finding the Fourth Proportional to 140,855.32, 194,380.95 and 76,324.69

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Solution

The fourth proportional to 140,855.32, 194,380.95 and 76,324.69 is: 105,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,855.32 : 194,380.95 = 76,324.69 : x
  2. Step 2: Convert to fraction form
    140,855.32/194,380.95 = 76,324.69/x
  3. Step 3: Cross multiply
    140,855.32x = 194,380.95 × 76,324.69
  4. Step 4: Simplify right side
    140,855.32x = 14,836,065,750.66
  5. Step 5: Solve for x
    x = 14,836,065,750.66/140,855.32
  6. Step 6: Final answer
    x = 105,328.40

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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.