Home / 129,794.32-194,686.08-71,002.48

Finding the Fourth Proportional to 129,794.32, 194,686.08 and 71,002.48

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Solution

The fourth proportional to 129,794.32, 194,686.08 and 71,002.48 is: 106,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,794.32 : 194,686.08 = 71,002.48 : x
  2. Step 2: Convert to fraction form
    129,794.32/194,686.08 = 71,002.48/x
  3. Step 3: Cross multiply
    129,794.32x = 194,686.08 × 71,002.48
  4. Step 4: Simplify right side
    129,794.32x = 13,823,194,501.48
  5. Step 5: Solve for x
    x = 13,823,194,501.48/129,794.32
  6. Step 6: Final answer
    x = 106,500.77

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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.