Home / 130,743.98-196,221.05-67,582.60

Finding the Fourth Proportional to 130,743.98, 196,221.05 and 67,582.60

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Solution

The fourth proportional to 130,743.98, 196,221.05 and 67,582.60 is: 101,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,743.98 : 196,221.05 = 67,582.60 : x
  2. Step 2: Convert to fraction form
    130,743.98/196,221.05 = 67,582.60/x
  3. Step 3: Cross multiply
    130,743.98x = 196,221.05 × 67,582.60
  4. Step 4: Simplify right side
    130,743.98x = 13,261,128,733.73
  5. Step 5: Solve for x
    x = 13,261,128,733.73/130,743.98
  6. Step 6: Final answer
    x = 101,428.22

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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.