Home / 190,012.94-262,392.16-122,148.05

Finding the Fourth Proportional to 190,012.94, 262,392.16 and 122,148.05

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Solution

The fourth proportional to 190,012.94, 262,392.16 and 122,148.05 is: 168,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,012.94 : 262,392.16 = 122,148.05 : x
  2. Step 2: Convert to fraction form
    190,012.94/262,392.16 = 122,148.05/x
  3. Step 3: Cross multiply
    190,012.94x = 262,392.16 × 122,148.05
  4. Step 4: Simplify right side
    190,012.94x = 32,050,690,766.94
  5. Step 5: Solve for x
    x = 32,050,690,766.94/190,012.94
  6. Step 6: Final answer
    x = 168,676.36

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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.