Home / 144,797.22-199,828.08-81,155.52

Finding the Fourth Proportional to 144,797.22, 199,828.08 and 81,155.52

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Solution

The fourth proportional to 144,797.22, 199,828.08 and 81,155.52 is: 111,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,797.22 : 199,828.08 = 81,155.52 : x
  2. Step 2: Convert to fraction form
    144,797.22/199,828.08 = 81,155.52/x
  3. Step 3: Cross multiply
    144,797.22x = 199,828.08 × 81,155.52
  4. Step 4: Simplify right side
    144,797.22x = 16,217,151,743.00
  5. Step 5: Solve for x
    x = 16,217,151,743.00/144,797.22
  6. Step 6: Final answer
    x = 111,999.05

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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.