Home / 183,939.36-253,835.28-112,309.44

Finding the Fourth Proportional to 183,939.36, 253,835.28 and 112,309.44

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Solution

The fourth proportional to 183,939.36, 253,835.28 and 112,309.44 is: 154,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,939.36 : 253,835.28 = 112,309.44 : x
  2. Step 2: Convert to fraction form
    183,939.36/253,835.28 = 112,309.44/x
  3. Step 3: Cross multiply
    183,939.36x = 253,835.28 × 112,309.44
  4. Step 4: Simplify right side
    183,939.36x = 28,508,098,149.04
  5. Step 5: Solve for x
    x = 28,508,098,149.04/183,939.36
  6. Step 6: Final answer
    x = 154,986.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.