Home / 127,611.18-191,416.77-34,114.50

Finding the Fourth Proportional to 127,611.18, 191,416.77 and 34,114.50

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Solution

The fourth proportional to 127,611.18, 191,416.77 and 34,114.50 is: 51,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,611.18 : 191,416.77 = 34,114.50 : x
  2. Step 2: Convert to fraction form
    127,611.18/191,416.77 = 34,114.50/x
  3. Step 3: Cross multiply
    127,611.18x = 191,416.77 × 34,114.50
  4. Step 4: Simplify right side
    127,611.18x = 6,530,087,400.17
  5. Step 5: Solve for x
    x = 6,530,087,400.17/127,611.18
  6. Step 6: Final answer
    x = 51,171.75

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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.