Home / 148,235.13-204,563.05-80,250.36

Finding the Fourth Proportional to 148,235.13, 204,563.05 and 80,250.36

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Solution

The fourth proportional to 148,235.13, 204,563.05 and 80,250.36 is: 110,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,235.13 : 204,563.05 = 80,250.36 : x
  2. Step 2: Convert to fraction form
    148,235.13/204,563.05 = 80,250.36/x
  3. Step 3: Cross multiply
    148,235.13x = 204,563.05 × 80,250.36
  4. Step 4: Simplify right side
    148,235.13x = 16,416,257,437.46
  5. Step 5: Solve for x
    x = 16,416,257,437.46/148,235.13
  6. Step 6: Final answer
    x = 110,744.72

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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.