Home / 148,305.30-204,661.92-80,323.08

Finding the Fourth Proportional to 148,305.30, 204,661.92 and 80,323.08

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Solution

The fourth proportional to 148,305.30, 204,661.92 and 80,323.08 is: 110,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,305.30 : 204,661.92 = 80,323.08 : x
  2. Step 2: Convert to fraction form
    148,305.30/204,661.92 = 80,323.08/x
  3. Step 3: Cross multiply
    148,305.30x = 204,661.92 × 80,323.08
  4. Step 4: Simplify right side
    148,305.30x = 16,439,075,773.11
  5. Step 5: Solve for x
    x = 16,439,075,773.11/148,305.30
  6. Step 6: Final answer
    x = 110,846.18

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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.