Home / 127,261.64-190,813.97-43,013.85

Finding the Fourth Proportional to 127,261.64, 190,813.97 and 43,013.85

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Solution

The fourth proportional to 127,261.64, 190,813.97 and 43,013.85 is: 64,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,261.64 : 190,813.97 = 43,013.85 : x
  2. Step 2: Convert to fraction form
    127,261.64/190,813.97 = 43,013.85/x
  3. Step 3: Cross multiply
    127,261.64x = 190,813.97 × 43,013.85
  4. Step 4: Simplify right side
    127,261.64x = 8,207,643,268.42
  5. Step 5: Solve for x
    x = 8,207,643,268.42/127,261.64
  6. Step 6: Final answer
    x = 64,494.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.