Home / 144,619.16-199,434.24-112,776.44

Finding the Fourth Proportional to 144,619.16, 199,434.24 and 112,776.44

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Solution

The fourth proportional to 144,619.16, 199,434.24 and 112,776.44 is: 155,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,619.16 : 199,434.24 = 112,776.44 : x
  2. Step 2: Convert to fraction form
    144,619.16/199,434.24 = 112,776.44/x
  3. Step 3: Cross multiply
    144,619.16x = 199,434.24 × 112,776.44
  4. Step 4: Simplify right side
    144,619.16x = 22,491,483,601.31
  5. Step 5: Solve for x
    x = 22,491,483,601.31/144,619.16
  6. Step 6: Final answer
    x = 155,522.16

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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.