Home / 131,993.39-182,154.46-74,641.30

Finding the Fourth Proportional to 131,993.39, 182,154.46 and 74,641.30

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Solution

The fourth proportional to 131,993.39, 182,154.46 and 74,641.30 is: 103,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,993.39 : 182,154.46 = 74,641.30 : x
  2. Step 2: Convert to fraction form
    131,993.39/182,154.46 = 74,641.30/x
  3. Step 3: Cross multiply
    131,993.39x = 182,154.46 × 74,641.30
  4. Step 4: Simplify right side
    131,993.39x = 13,596,244,971.03
  5. Step 5: Solve for x
    x = 13,596,244,971.03/131,993.39
  6. Step 6: Final answer
    x = 103,007.01

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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.