Home / 127,180.75-190,774.77-33,686.50

Finding the Fourth Proportional to 127,180.75, 190,774.77 and 33,686.50

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Solution

The fourth proportional to 127,180.75, 190,774.77 and 33,686.50 is: 50,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,180.75 : 190,774.77 = 33,686.50 : x
  2. Step 2: Convert to fraction form
    127,180.75/190,774.77 = 33,686.50/x
  3. Step 3: Cross multiply
    127,180.75x = 190,774.77 × 33,686.50
  4. Step 4: Simplify right side
    127,180.75x = 6,426,534,289.61
  5. Step 5: Solve for x
    x = 6,426,534,289.61/127,180.75
  6. Step 6: Final answer
    x = 50,530.72

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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.