Home / 182,186.70-251,416.80-100,512.73

Finding the Fourth Proportional to 182,186.70, 251,416.80 and 100,512.73

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Solution

The fourth proportional to 182,186.70, 251,416.80 and 100,512.73 is: 138,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,186.70 : 251,416.80 = 100,512.73 : x
  2. Step 2: Convert to fraction form
    182,186.70/251,416.80 = 100,512.73/x
  3. Step 3: Cross multiply
    182,186.70x = 251,416.80 × 100,512.73
  4. Step 4: Simplify right side
    182,186.70x = 25,270,588,935.86
  5. Step 5: Solve for x
    x = 25,270,588,935.86/182,186.70
  6. Step 6: Final answer
    x = 138,707.10

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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.