Home / 148,078.48-221,885.24-100,716.16

Finding the Fourth Proportional to 148,078.48, 221,885.24 and 100,716.16

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Solution

The fourth proportional to 148,078.48, 221,885.24 and 100,716.16 is: 150,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,078.48 : 221,885.24 = 100,716.16 : x
  2. Step 2: Convert to fraction form
    148,078.48/221,885.24 = 100,716.16/x
  3. Step 3: Cross multiply
    148,078.48x = 221,885.24 × 100,716.16
  4. Step 4: Simplify right side
    148,078.48x = 22,347,429,333.48
  5. Step 5: Solve for x
    x = 22,347,429,333.48/148,078.48
  6. Step 6: Final answer
    x = 150,916.12

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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.