Home / 148,218.12-204,540.26-80,235.23

Finding the Fourth Proportional to 148,218.12, 204,540.26 and 80,235.23

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Solution

The fourth proportional to 148,218.12, 204,540.26 and 80,235.23 is: 110,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,218.12 : 204,540.26 = 80,235.23 : x
  2. Step 2: Convert to fraction form
    148,218.12/204,540.26 = 80,235.23/x
  3. Step 3: Cross multiply
    148,218.12x = 204,540.26 × 80,235.23
  4. Step 4: Simplify right side
    148,218.12x = 16,411,333,381.48
  5. Step 5: Solve for x
    x = 16,411,333,381.48/148,218.12
  6. Step 6: Final answer
    x = 110,724.20

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1.5x scale

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.