Home / 211,600.50-292,008.73-120,958.46

Finding the Fourth Proportional to 211,600.50, 292,008.73 and 120,958.46

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Solution

The fourth proportional to 211,600.50, 292,008.73 and 120,958.46 is: 166,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,600.50 : 292,008.73 = 120,958.46 : x
  2. Step 2: Convert to fraction form
    211,600.50/292,008.73 = 120,958.46/x
  3. Step 3: Cross multiply
    211,600.50x = 292,008.73 × 120,958.46
  4. Step 4: Simplify right side
    211,600.50x = 35,320,927,489.30
  5. Step 5: Solve for x
    x = 35,320,927,489.30/211,600.50
  6. Step 6: Final answer
    x = 166,922.70

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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.