Home / 307,170.39-423,877.46-171,199.83

Finding the Fourth Proportional to 307,170.39, 423,877.46 and 171,199.83

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Solution

The fourth proportional to 307,170.39, 423,877.46 and 171,199.83 is: 236,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,170.39 : 423,877.46 = 171,199.83 : x
  2. Step 2: Convert to fraction form
    307,170.39/423,877.46 = 171,199.83/x
  3. Step 3: Cross multiply
    307,170.39x = 423,877.46 × 171,199.83
  4. Step 4: Simplify right side
    307,170.39x = 72,567,748,236.83
  5. Step 5: Solve for x
    x = 72,567,748,236.83/307,170.39
  6. Step 6: Final answer
    x = 236,245.91

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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.