Home / 129,333.94-194,009.12-40,590.96

Finding the Fourth Proportional to 129,333.94, 194,009.12 and 40,590.96

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Solution

The fourth proportional to 129,333.94, 194,009.12 and 40,590.96 is: 60,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,333.94 : 194,009.12 = 40,590.96 : x
  2. Step 2: Convert to fraction form
    129,333.94/194,009.12 = 40,590.96/x
  3. Step 3: Cross multiply
    129,333.94x = 194,009.12 × 40,590.96
  4. Step 4: Simplify right side
    129,333.94x = 7,875,016,429.56
  5. Step 5: Solve for x
    x = 7,875,016,429.56/129,333.94
  6. Step 6: Final answer
    x = 60,889.02

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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.