Home / 272,780.28-376,609.14-201,035.34

Finding the Fourth Proportional to 272,780.28, 376,609.14 and 201,035.34

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Solution

The fourth proportional to 272,780.28, 376,609.14 and 201,035.34 is: 277,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,780.28 : 376,609.14 = 201,035.34 : x
  2. Step 2: Convert to fraction form
    272,780.28/376,609.14 = 201,035.34/x
  3. Step 3: Cross multiply
    272,780.28x = 376,609.14 × 201,035.34
  4. Step 4: Simplify right side
    272,780.28x = 75,711,746,507.01
  5. Step 5: Solve for x
    x = 75,711,746,507.01/272,780.28
  6. Step 6: Final answer
    x = 277,555.79

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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.