Home / 113,653.51-170,236.04-92,209.97

Finding the Fourth Proportional to 113,653.51, 170,236.04 and 92,209.97

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Solution

The fourth proportional to 113,653.51, 170,236.04 and 92,209.97 is: 138,116.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,653.51 : 170,236.04 = 92,209.97 : x
  2. Step 2: Convert to fraction form
    113,653.51/170,236.04 = 92,209.97/x
  3. Step 3: Cross multiply
    113,653.51x = 170,236.04 × 92,209.97
  4. Step 4: Simplify right side
    113,653.51x = 15,697,460,797.43
  5. Step 5: Solve for x
    x = 15,697,460,797.43/113,653.51
  6. Step 6: Final answer
    x = 138,116.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.