Home / 109,207.13-163,810.55-34,333.81

Finding the Fourth Proportional to 109,207.13, 163,810.55 and 34,333.81

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Solution

The fourth proportional to 109,207.13, 163,810.55 and 34,333.81 is: 51,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,207.13 : 163,810.55 = 34,333.81 : x
  2. Step 2: Convert to fraction form
    109,207.13/163,810.55 = 34,333.81/x
  3. Step 3: Cross multiply
    109,207.13x = 163,810.55 × 34,333.81
  4. Step 4: Simplify right side
    109,207.13x = 5,624,239,976.00
  5. Step 5: Solve for x
    x = 5,624,239,976.00/109,207.13
  6. Step 6: Final answer
    x = 51,500.67

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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.