Home / 194,135.84-268,069.20-130,683.68

Finding the Fourth Proportional to 194,135.84, 268,069.20 and 130,683.68

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Solution

The fourth proportional to 194,135.84, 268,069.20 and 130,683.68 is: 180,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,135.84 : 268,069.20 = 130,683.68 : x
  2. Step 2: Convert to fraction form
    194,135.84/268,069.20 = 130,683.68/x
  3. Step 3: Cross multiply
    194,135.84x = 268,069.20 × 130,683.68
  4. Step 4: Simplify right side
    194,135.84x = 35,032,269,550.66
  5. Step 5: Solve for x
    x = 35,032,269,550.66/194,135.84
  6. Step 6: Final answer
    x = 180,452.36

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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.