Home / 130,743.48-196,220.30-67,582.10

Finding the Fourth Proportional to 130,743.48, 196,220.30 and 67,582.10

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Solution

The fourth proportional to 130,743.48, 196,220.30 and 67,582.10 is: 101,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,743.48 : 196,220.30 = 67,582.10 : x
  2. Step 2: Convert to fraction form
    130,743.48/196,220.30 = 67,582.10/x
  3. Step 3: Cross multiply
    130,743.48x = 196,220.30 × 67,582.10
  4. Step 4: Simplify right side
    130,743.48x = 13,260,979,936.63
  5. Step 5: Solve for x
    x = 13,260,979,936.63/130,743.48
  6. Step 6: Final answer
    x = 101,427.47

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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.