Home / 129,743.80-194,615.70-36,249.40

Finding the Fourth Proportional to 129,743.80, 194,615.70 and 36,249.40

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Solution

The fourth proportional to 129,743.80, 194,615.70 and 36,249.40 is: 54,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,743.80 : 194,615.70 = 36,249.40 : x
  2. Step 2: Convert to fraction form
    129,743.80/194,615.70 = 36,249.40/x
  3. Step 3: Cross multiply
    129,743.80x = 194,615.70 × 36,249.40
  4. Step 4: Simplify right side
    129,743.80x = 7,054,702,355.58
  5. Step 5: Solve for x
    x = 7,054,702,355.58/129,743.80
  6. Step 6: Final answer
    x = 54,374.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.