Home / 129,334.66-194,034.78-40,588.92

Finding the Fourth Proportional to 129,334.66, 194,034.78 and 40,588.92

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Solution

The fourth proportional to 129,334.66, 194,034.78 and 40,588.92 is: 60,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,334.66 : 194,034.78 = 40,588.92 : x
  2. Step 2: Convert to fraction form
    129,334.66/194,034.78 = 40,588.92/x
  3. Step 3: Cross multiply
    129,334.66x = 194,034.78 × 40,588.92
  4. Step 4: Simplify right side
    129,334.66x = 7,875,662,162.64
  5. Step 5: Solve for x
    x = 7,875,662,162.64/129,334.66
  6. Step 6: Final answer
    x = 60,893.67

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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.