Home / 127,326.58-190,924.17-57,145.84

Finding the Fourth Proportional to 127,326.58, 190,924.17 and 57,145.84

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Solution

The fourth proportional to 127,326.58, 190,924.17 and 57,145.84 is: 85,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,326.58 : 190,924.17 = 57,145.84 : x
  2. Step 2: Convert to fraction form
    127,326.58/190,924.17 = 57,145.84/x
  3. Step 3: Cross multiply
    127,326.58x = 190,924.17 × 57,145.84
  4. Step 4: Simplify right side
    127,326.58x = 10,910,522,070.95
  5. Step 5: Solve for x
    x = 10,910,522,070.95/127,326.58
  6. Step 6: Final answer
    x = 85,689.27

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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.