Home / 129,747.06-194,503.46-46,621.62

Finding the Fourth Proportional to 129,747.06, 194,503.46 and 46,621.62

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Solution

The fourth proportional to 129,747.06, 194,503.46 and 46,621.62 is: 69,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,747.06 : 194,503.46 = 46,621.62 : x
  2. Step 2: Convert to fraction form
    129,747.06/194,503.46 = 46,621.62/x
  3. Step 3: Cross multiply
    129,747.06x = 194,503.46 × 46,621.62
  4. Step 4: Simplify right side
    129,747.06x = 9,068,066,400.81
  5. Step 5: Solve for x
    x = 9,068,066,400.81/129,747.06
  6. Step 6: Final answer
    x = 69,890.34

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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.