Home / 131,183.87-181,017.11-74,596.46

Finding the Fourth Proportional to 131,183.87, 181,017.11 and 74,596.46

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Solution

The fourth proportional to 131,183.87, 181,017.11 and 74,596.46 is: 102,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,183.87 : 181,017.11 = 74,596.46 : x
  2. Step 2: Convert to fraction form
    131,183.87/181,017.11 = 74,596.46/x
  3. Step 3: Cross multiply
    131,183.87x = 181,017.11 × 74,596.46
  4. Step 4: Simplify right side
    131,183.87x = 13,503,234,886.84
  5. Step 5: Solve for x
    x = 13,503,234,886.84/131,183.87
  6. Step 6: Final answer
    x = 102,933.66

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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.