Home / 140,813.04-194,273.43-80,340.06

Finding the Fourth Proportional to 140,813.04, 194,273.43 and 80,340.06

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Solution

The fourth proportional to 140,813.04, 194,273.43 and 80,340.06 is: 110,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,813.04 : 194,273.43 = 80,340.06 : x
  2. Step 2: Convert to fraction form
    140,813.04/194,273.43 = 80,340.06/x
  3. Step 3: Cross multiply
    140,813.04x = 194,273.43 × 80,340.06
  4. Step 4: Simplify right side
    140,813.04x = 15,607,939,022.61
  5. Step 5: Solve for x
    x = 15,607,939,022.61/140,813.04
  6. Step 6: Final answer
    x = 110,841.57

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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.