Home / 131,181.68-181,030.74-74,596.52

Finding the Fourth Proportional to 131,181.68, 181,030.74 and 74,596.52

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Solution

The fourth proportional to 131,181.68, 181,030.74 and 74,596.52 is: 102,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,181.68 : 181,030.74 = 74,596.52 : x
  2. Step 2: Convert to fraction form
    131,181.68/181,030.74 = 74,596.52/x
  3. Step 3: Cross multiply
    131,181.68x = 181,030.74 × 74,596.52
  4. Step 4: Simplify right side
    131,181.68x = 13,504,263,217.02
  5. Step 5: Solve for x
    x = 13,504,263,217.02/131,181.68
  6. Step 6: Final answer
    x = 102,943.21

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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.