Home / 148,045.70-221,420.55-132,364.10

Finding the Fourth Proportional to 148,045.70, 221,420.55 and 132,364.10

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Solution

The fourth proportional to 148,045.70, 221,420.55 and 132,364.10 is: 197,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,045.70 : 221,420.55 = 132,364.10 : x
  2. Step 2: Convert to fraction form
    148,045.70/221,420.55 = 132,364.10/x
  3. Step 3: Cross multiply
    148,045.70x = 221,420.55 × 132,364.10
  4. Step 4: Simplify right side
    148,045.70x = 29,308,131,822.26
  5. Step 5: Solve for x
    x = 29,308,131,822.26/148,045.70
  6. Step 6: Final answer
    x = 197,966.79

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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.