Home / 276,898.15-382,154.20-162,220.54

Finding the Fourth Proportional to 276,898.15, 382,154.20 and 162,220.54

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Solution

The fourth proportional to 276,898.15, 382,154.20 and 162,220.54 is: 223,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,898.15 : 382,154.20 = 162,220.54 : x
  2. Step 2: Convert to fraction form
    276,898.15/382,154.20 = 162,220.54/x
  3. Step 3: Cross multiply
    276,898.15x = 382,154.20 × 162,220.54
  4. Step 4: Simplify right side
    276,898.15x = 61,993,260,955.36
  5. Step 5: Solve for x
    x = 61,993,260,955.36/276,898.15
  6. Step 6: Final answer
    x = 223,884.71

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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.