Home / 109,180.90-163,753.03-30,303.14

Finding the Fourth Proportional to 109,180.90, 163,753.03 and 30,303.14

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Solution

The fourth proportional to 109,180.90, 163,753.03 and 30,303.14 is: 45,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,180.90 : 163,753.03 = 30,303.14 : x
  2. Step 2: Convert to fraction form
    109,180.90/163,753.03 = 30,303.14/x
  3. Step 3: Cross multiply
    109,180.90x = 163,753.03 × 30,303.14
  4. Step 4: Simplify right side
    109,180.90x = 4,962,230,993.51
  5. Step 5: Solve for x
    x = 4,962,230,993.51/109,180.90
  6. Step 6: Final answer
    x = 45,449.63

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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.