Home / 214,240.11-295,447.41-128,185.31

Finding the Fourth Proportional to 214,240.11, 295,447.41 and 128,185.31

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Solution

The fourth proportional to 214,240.11, 295,447.41 and 128,185.31 is: 176,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,240.11 : 295,447.41 = 128,185.31 : x
  2. Step 2: Convert to fraction form
    214,240.11/295,447.41 = 128,185.31/x
  3. Step 3: Cross multiply
    214,240.11x = 295,447.41 × 128,185.31
  4. Step 4: Simplify right side
    214,240.11x = 37,872,016,362.31
  5. Step 5: Solve for x
    x = 37,872,016,362.31/214,240.11
  6. Step 6: Final answer
    x = 176,773.70

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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.