Home / 211,601.50-292,010.11-120,959.46

Finding the Fourth Proportional to 211,601.50, 292,010.11 and 120,959.46

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Solution

The fourth proportional to 211,601.50, 292,010.11 and 120,959.46 is: 166,924.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,601.50 : 292,010.11 = 120,959.46 : x
  2. Step 2: Convert to fraction form
    211,601.50/292,010.11 = 120,959.46/x
  3. Step 3: Cross multiply
    211,601.50x = 292,010.11 × 120,959.46
  4. Step 4: Simplify right side
    211,601.50x = 35,321,385,220.14
  5. Step 5: Solve for x
    x = 35,321,385,220.14/211,601.50
  6. Step 6: Final answer
    x = 166,924.08

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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.