Home / 148,125.10-221,859.60-121,881.10

Finding the Fourth Proportional to 148,125.10, 221,859.60 and 121,881.10

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Solution

The fourth proportional to 148,125.10, 221,859.60 and 121,881.10 is: 182,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,125.10 : 221,859.60 = 121,881.10 : x
  2. Step 2: Convert to fraction form
    148,125.10/221,859.60 = 121,881.10/x
  3. Step 3: Cross multiply
    148,125.10x = 221,859.60 × 121,881.10
  4. Step 4: Simplify right side
    148,125.10x = 27,040,492,093.56
  5. Step 5: Solve for x
    x = 27,040,492,093.56/148,125.10
  6. Step 6: Final answer
    x = 182,551.72

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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.