Home / 311,026.28-466,613.45-100,664.21

Finding the Fourth Proportional to 311,026.28, 466,613.45 and 100,664.21

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Solution

The fourth proportional to 311,026.28, 466,613.45 and 100,664.21 is: 151,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,026.28 : 466,613.45 = 100,664.21 : x
  2. Step 2: Convert to fraction form
    311,026.28/466,613.45 = 100,664.21/x
  3. Step 3: Cross multiply
    311,026.28x = 466,613.45 × 100,664.21
  4. Step 4: Simplify right side
    311,026.28x = 46,971,271,483.24
  5. Step 5: Solve for x
    x = 46,971,271,483.24/311,026.28
  6. Step 6: Final answer
    x = 151,020.27

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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.