Home / 149,994.64-206,985-82,913.68

Finding the Fourth Proportional to 149,994.64, 206,985 and 82,913.68

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Solution

The fourth proportional to 149,994.64, 206,985 and 82,913.68 is: 114,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,994.64 : 206,985 = 82,913.68 : x
  2. Step 2: Convert to fraction form
    149,994.64/206,985 = 82,913.68/x
  3. Step 3: Cross multiply
    149,994.64x = 206,985 × 82,913.68
  4. Step 4: Simplify right side
    149,994.64x = 17,161,888,054.80
  5. Step 5: Solve for x
    x = 17,161,888,054.80/149,994.64
  6. Step 6: Final answer
    x = 114,416.68

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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.