Home / 355,588.64-533,593.08-131,105.84

Finding the Fourth Proportional to 355,588.64, 533,593.08 and 131,105.84

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Solution

The fourth proportional to 355,588.64, 533,593.08 and 131,105.84 is: 196,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,588.64 : 533,593.08 = 131,105.84 : x
  2. Step 2: Convert to fraction form
    355,588.64/533,593.08 = 131,105.84/x
  3. Step 3: Cross multiply
    355,588.64x = 533,593.08 × 131,105.84
  4. Step 4: Simplify right side
    355,588.64x = 69,957,168,971.59
  5. Step 5: Solve for x
    x = 69,957,168,971.59/355,588.64
  6. Step 6: Final answer
    x = 196,736.23

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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.