Home / 355,845.96-533,845.08-131,207.04

Finding the Fourth Proportional to 355,845.96, 533,845.08 and 131,207.04

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Solution

The fourth proportional to 355,845.96, 533,845.08 and 131,207.04 is: 196,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,845.96 : 533,845.08 = 131,207.04 : x
  2. Step 2: Convert to fraction form
    355,845.96/533,845.08 = 131,207.04/x
  3. Step 3: Cross multiply
    355,845.96x = 533,845.08 × 131,207.04
  4. Step 4: Simplify right side
    355,845.96x = 70,044,232,765.36
  5. Step 5: Solve for x
    x = 70,044,232,765.36/355,845.96
  6. Step 6: Final answer
    x = 196,838.63

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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.