Home / 109,182.24-163,753.64-30,302.80

Finding the Fourth Proportional to 109,182.24, 163,753.64 and 30,302.80

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Solution

The fourth proportional to 109,182.24, 163,753.64 and 30,302.80 is: 45,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,182.24 : 163,753.64 = 30,302.80 : x
  2. Step 2: Convert to fraction form
    109,182.24/163,753.64 = 30,302.80/x
  3. Step 3: Cross multiply
    109,182.24x = 163,753.64 × 30,302.80
  4. Step 4: Simplify right side
    109,182.24x = 4,962,193,802.19
  5. Step 5: Solve for x
    x = 4,962,193,802.19/109,182.24
  6. Step 6: Final answer
    x = 45,448.73

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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.