Home / 229,086.29-343,638.70-109,081.51

Finding the Fourth Proportional to 229,086.29, 343,638.70 and 109,081.51

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Solution

The fourth proportional to 229,086.29, 343,638.70 and 109,081.51 is: 163,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,086.29 : 343,638.70 = 109,081.51 : x
  2. Step 2: Convert to fraction form
    229,086.29/343,638.70 = 109,081.51/x
  3. Step 3: Cross multiply
    229,086.29x = 343,638.70 × 109,081.51
  4. Step 4: Simplify right side
    229,086.29x = 37,484,627,158.64
  5. Step 5: Solve for x
    x = 37,484,627,158.64/229,086.29
  6. Step 6: Final answer
    x = 163,626.67

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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.