Home / 199,741.84-299,613.58-49,981.72

Finding the Fourth Proportional to 199,741.84, 299,613.58 and 49,981.72

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Solution

The fourth proportional to 199,741.84, 299,613.58 and 49,981.72 is: 74,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,741.84 : 299,613.58 = 49,981.72 : x
  2. Step 2: Convert to fraction form
    199,741.84/299,613.58 = 49,981.72/x
  3. Step 3: Cross multiply
    199,741.84x = 299,613.58 × 49,981.72
  4. Step 4: Simplify right side
    199,741.84x = 14,975,202,063.76
  5. Step 5: Solve for x
    x = 14,975,202,063.76/199,741.84
  6. Step 6: Final answer
    x = 74,972.79

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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.