Home / 144,579.48-199,379.71-112,736.76

Finding the Fourth Proportional to 144,579.48, 199,379.71 and 112,736.76

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Solution

The fourth proportional to 144,579.48, 199,379.71 and 112,736.76 is: 155,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,579.48 : 199,379.71 = 112,736.76 : x
  2. Step 2: Convert to fraction form
    144,579.48/199,379.71 = 112,736.76/x
  3. Step 3: Cross multiply
    144,579.48x = 199,379.71 × 112,736.76
  4. Step 4: Simplify right side
    144,579.48x = 22,477,421,236.40
  5. Step 5: Solve for x
    x = 22,477,421,236.40/144,579.48
  6. Step 6: Final answer
    x = 155,467.58

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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.