Home / 121,145.40-181,645.20-62,096.40

Finding the Fourth Proportional to 121,145.40, 181,645.20 and 62,096.40

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Solution

The fourth proportional to 121,145.40, 181,645.20 and 62,096.40 is: 93,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,145.40 : 181,645.20 = 62,096.40 : x
  2. Step 2: Convert to fraction form
    121,145.40/181,645.20 = 62,096.40/x
  3. Step 3: Cross multiply
    121,145.40x = 181,645.20 × 62,096.40
  4. Step 4: Simplify right side
    121,145.40x = 11,279,512,997.28
  5. Step 5: Solve for x
    x = 11,279,512,997.28/121,145.40
  6. Step 6: Final answer
    x = 93,107.23

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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.