Home / 211,177.44-291,409.92-120,512.16

Finding the Fourth Proportional to 211,177.44, 291,409.92 and 120,512.16

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Solution

The fourth proportional to 211,177.44, 291,409.92 and 120,512.16 is: 166,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,177.44 : 291,409.92 = 120,512.16 : x
  2. Step 2: Convert to fraction form
    211,177.44/291,409.92 = 120,512.16/x
  3. Step 3: Cross multiply
    211,177.44x = 291,409.92 × 120,512.16
  4. Step 4: Simplify right side
    211,177.44x = 35,118,438,904.63
  5. Step 5: Solve for x
    x = 35,118,438,904.63/211,177.44
  6. Step 6: Final answer
    x = 166,298.25

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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.