Home / 126,836.55-190,259.46-42,599.50

Finding the Fourth Proportional to 126,836.55, 190,259.46 and 42,599.50

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Solution

The fourth proportional to 126,836.55, 190,259.46 and 42,599.50 is: 63,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,836.55 : 190,259.46 = 42,599.50 : x
  2. Step 2: Convert to fraction form
    126,836.55/190,259.46 = 42,599.50/x
  3. Step 3: Cross multiply
    126,836.55x = 190,259.46 × 42,599.50
  4. Step 4: Simplify right side
    126,836.55x = 8,104,957,390.62
  5. Step 5: Solve for x
    x = 8,104,957,390.62/126,836.55
  6. Step 6: Final answer
    x = 63,900.80

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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.