Home / 129,528.78-194,011.94-62,828.72

Finding the Fourth Proportional to 129,528.78, 194,011.94 and 62,828.72

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Solution

The fourth proportional to 129,528.78, 194,011.94 and 62,828.72 is: 94,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,528.78 : 194,011.94 = 62,828.72 : x
  2. Step 2: Convert to fraction form
    129,528.78/194,011.94 = 62,828.72/x
  3. Step 3: Cross multiply
    129,528.78x = 194,011.94 × 62,828.72
  4. Step 4: Simplify right side
    129,528.78x = 12,189,522,497.02
  5. Step 5: Solve for x
    x = 12,189,522,497.02/129,528.78
  6. Step 6: Final answer
    x = 94,106.67

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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.