Home / 144,829.17-199,826.73-87,423.12

Finding the Fourth Proportional to 144,829.17, 199,826.73 and 87,423.12

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Solution

The fourth proportional to 144,829.17, 199,826.73 and 87,423.12 is: 120,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,829.17 : 199,826.73 = 87,423.12 : x
  2. Step 2: Convert to fraction form
    144,829.17/199,826.73 = 87,423.12/x
  3. Step 3: Cross multiply
    144,829.17x = 199,826.73 × 87,423.12
  4. Step 4: Simplify right side
    144,829.17x = 17,469,476,196.00
  5. Step 5: Solve for x
    x = 17,469,476,196.00/144,829.17
  6. Step 6: Final answer
    x = 120,621.25

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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.