Home / 127,634.88-191,409.18-47,656.26

Finding the Fourth Proportional to 127,634.88, 191,409.18 and 47,656.26

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Solution

The fourth proportional to 127,634.88, 191,409.18 and 47,656.26 is: 71,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,634.88 : 191,409.18 = 47,656.26 : x
  2. Step 2: Convert to fraction form
    127,634.88/191,409.18 = 47,656.26/x
  3. Step 3: Cross multiply
    127,634.88x = 191,409.18 × 47,656.26
  4. Step 4: Simplify right side
    127,634.88x = 9,121,845,648.47
  5. Step 5: Solve for x
    x = 9,121,845,648.47/127,634.88
  6. Step 6: Final answer
    x = 71,468.28

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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.