Home / 129,880.32-194,821.92-46,775.04

Finding the Fourth Proportional to 129,880.32, 194,821.92 and 46,775.04

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Solution

The fourth proportional to 129,880.32, 194,821.92 and 46,775.04 is: 70,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,880.32 : 194,821.92 = 46,775.04 : x
  2. Step 2: Convert to fraction form
    129,880.32/194,821.92 = 46,775.04/x
  3. Step 3: Cross multiply
    129,880.32x = 194,821.92 × 46,775.04
  4. Step 4: Simplify right side
    129,880.32x = 9,112,803,100.88
  5. Step 5: Solve for x
    x = 9,112,803,100.88/129,880.32
  6. Step 6: Final answer
    x = 70,163.08

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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.