Home / 148,849.28-205,466-98,564.48

Finding the Fourth Proportional to 148,849.28, 205,466 and 98,564.48

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Solution

The fourth proportional to 148,849.28, 205,466 and 98,564.48 is: 136,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,849.28 : 205,466 = 98,564.48 : x
  2. Step 2: Convert to fraction form
    148,849.28/205,466 = 98,564.48/x
  3. Step 3: Cross multiply
    148,849.28x = 205,466 × 98,564.48
  4. Step 4: Simplify right side
    148,849.28x = 20,251,649,447.68
  5. Step 5: Solve for x
    x = 20,251,649,447.68/148,849.28
  6. Step 6: Final answer
    x = 136,054.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.