Home / 147,306.24-203,282.40-80,238.24

Finding the Fourth Proportional to 147,306.24, 203,282.40 and 80,238.24

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Solution

The fourth proportional to 147,306.24, 203,282.40 and 80,238.24 is: 110,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,306.24 : 203,282.40 = 80,238.24 : x
  2. Step 2: Convert to fraction form
    147,306.24/203,282.40 = 80,238.24/x
  3. Step 3: Cross multiply
    147,306.24x = 203,282.40 × 80,238.24
  4. Step 4: Simplify right side
    147,306.24x = 16,311,021,998.98
  5. Step 5: Solve for x
    x = 16,311,021,998.98/147,306.24
  6. Step 6: Final answer
    x = 110,728.66

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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.