Home / 270,333.64-405,725.10-144,111.88

Finding the Fourth Proportional to 270,333.64, 405,725.10 and 144,111.88

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Solution

The fourth proportional to 270,333.64, 405,725.10 and 144,111.88 is: 216,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,333.64 : 405,725.10 = 144,111.88 : x
  2. Step 2: Convert to fraction form
    270,333.64/405,725.10 = 144,111.88/x
  3. Step 3: Cross multiply
    270,333.64x = 405,725.10 × 144,111.88
  4. Step 4: Simplify right side
    270,333.64x = 58,469,806,924.19
  5. Step 5: Solve for x
    x = 58,469,806,924.19/270,333.64
  6. Step 6: Final answer
    x = 216,287.57

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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.