Home / 256,121.10-383,306.85-224,628.30

Finding the Fourth Proportional to 256,121.10, 383,306.85 and 224,628.30

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Solution

The fourth proportional to 256,121.10, 383,306.85 and 224,628.30 is: 336,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,121.10 : 383,306.85 = 224,628.30 : x
  2. Step 2: Convert to fraction form
    256,121.10/383,306.85 = 224,628.30/x
  3. Step 3: Cross multiply
    256,121.10x = 383,306.85 × 224,628.30
  4. Step 4: Simplify right side
    256,121.10x = 86,101,566,093.86
  5. Step 5: Solve for x
    x = 86,101,566,093.86/256,121.10
  6. Step 6: Final answer
    x = 336,175.22

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1.5x scale

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.