Home / 130,669.20-195,712.20-107,341.20

Finding the Fourth Proportional to 130,669.20, 195,712.20 and 107,341.20

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Solution

The fourth proportional to 130,669.20, 195,712.20 and 107,341.20 is: 160,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,669.20 : 195,712.20 = 107,341.20 : x
  2. Step 2: Convert to fraction form
    130,669.20/195,712.20 = 107,341.20/x
  3. Step 3: Cross multiply
    130,669.20x = 195,712.20 × 107,341.20
  4. Step 4: Simplify right side
    130,669.20x = 21,007,982,402.64
  5. Step 5: Solve for x
    x = 21,007,982,402.64/130,669.20
  6. Step 6: Final answer
    x = 160,772.26

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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.