Home / 276,898.32-382,214.61-162,213.75

Finding the Fourth Proportional to 276,898.32, 382,214.61 and 162,213.75

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Solution

The fourth proportional to 276,898.32, 382,214.61 and 162,213.75 is: 223,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,898.32 : 382,214.61 = 162,213.75 : x
  2. Step 2: Convert to fraction form
    276,898.32/382,214.61 = 162,213.75/x
  3. Step 3: Cross multiply
    276,898.32x = 382,214.61 × 162,213.75
  4. Step 4: Simplify right side
    276,898.32x = 62,000,465,192.89
  5. Step 5: Solve for x
    x = 62,000,465,192.89/276,898.32
  6. Step 6: Final answer
    x = 223,910.59

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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.