Home / 130,853.40-196,571.70-125,539.80

Finding the Fourth Proportional to 130,853.40, 196,571.70 and 125,539.80

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Solution

The fourth proportional to 130,853.40, 196,571.70 and 125,539.80 is: 188,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,853.40 : 196,571.70 = 125,539.80 : x
  2. Step 2: Convert to fraction form
    130,853.40/196,571.70 = 125,539.80/x
  3. Step 3: Cross multiply
    130,853.40x = 196,571.70 × 125,539.80
  4. Step 4: Simplify right side
    130,853.40x = 24,677,571,903.66
  5. Step 5: Solve for x
    x = 24,677,571,903.66/130,853.40
  6. Step 6: Final answer
    x = 188,589.46

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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.