Home / 200,221.96-276,302.59-109,576.08

Finding the Fourth Proportional to 200,221.96, 276,302.59 and 109,576.08

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Solution

The fourth proportional to 200,221.96, 276,302.59 and 109,576.08 is: 151,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,221.96 : 276,302.59 = 109,576.08 : x
  2. Step 2: Convert to fraction form
    200,221.96/276,302.59 = 109,576.08/x
  3. Step 3: Cross multiply
    200,221.96x = 276,302.59 × 109,576.08
  4. Step 4: Simplify right side
    200,221.96x = 30,276,154,706.05
  5. Step 5: Solve for x
    x = 30,276,154,706.05/200,221.96
  6. Step 6: Final answer
    x = 151,212.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.