Home / 144,724.37-216,712.69-99,884.09

Finding the Fourth Proportional to 144,724.37, 216,712.69 and 99,884.09

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Solution

The fourth proportional to 144,724.37, 216,712.69 and 99,884.09 is: 149,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,724.37 : 216,712.69 = 99,884.09 : x
  2. Step 2: Convert to fraction form
    144,724.37/216,712.69 = 99,884.09/x
  3. Step 3: Cross multiply
    144,724.37x = 216,712.69 × 99,884.09
  4. Step 4: Simplify right side
    144,724.37x = 21,646,149,832.10
  5. Step 5: Solve for x
    x = 21,646,149,832.10/144,724.37
  6. Step 6: Final answer
    x = 149,568.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.