Home / 127,137.61-190,715.54-33,642.25

Finding the Fourth Proportional to 127,137.61, 190,715.54 and 33,642.25

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Solution

The fourth proportional to 127,137.61, 190,715.54 and 33,642.25 is: 50,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,137.61 : 190,715.54 = 33,642.25 : x
  2. Step 2: Convert to fraction form
    127,137.61/190,715.54 = 33,642.25/x
  3. Step 3: Cross multiply
    127,137.61x = 190,715.54 × 33,642.25
  4. Step 4: Simplify right side
    127,137.61x = 6,416,099,875.57
  5. Step 5: Solve for x
    x = 6,416,099,875.57/127,137.61
  6. Step 6: Final answer
    x = 50,465.79

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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.