Home / 129,672.07-194,508.09-34,902.45

Finding the Fourth Proportional to 129,672.07, 194,508.09 and 34,902.45

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Solution

The fourth proportional to 129,672.07, 194,508.09 and 34,902.45 is: 52,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,672.07 : 194,508.09 = 34,902.45 : x
  2. Step 2: Convert to fraction form
    129,672.07/194,508.09 = 34,902.45/x
  3. Step 3: Cross multiply
    129,672.07x = 194,508.09 × 34,902.45
  4. Step 4: Simplify right side
    129,672.07x = 6,788,808,885.82
  5. Step 5: Solve for x
    x = 6,788,808,885.82/129,672.07
  6. Step 6: Final answer
    x = 52,353.67

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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.