Home / 211,293.44-291,592.88-120,650.18

Finding the Fourth Proportional to 211,293.44, 291,592.88 and 120,650.18

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Solution

The fourth proportional to 211,293.44, 291,592.88 and 120,650.18 is: 166,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,293.44 : 291,592.88 = 120,650.18 : x
  2. Step 2: Convert to fraction form
    211,293.44/291,592.88 = 120,650.18/x
  3. Step 3: Cross multiply
    211,293.44x = 291,592.88 × 120,650.18
  4. Step 4: Simplify right side
    211,293.44x = 35,180,733,458.72
  5. Step 5: Solve for x
    x = 35,180,733,458.72/211,293.44
  6. Step 6: Final answer
    x = 166,501.78

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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.