Home / 153,714.20-229,043.17-136,945.37

Finding the Fourth Proportional to 153,714.20, 229,043.17 and 136,945.37

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Solution

The fourth proportional to 153,714.20, 229,043.17 and 136,945.37 is: 204,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,714.20 : 229,043.17 = 136,945.37 : x
  2. Step 2: Convert to fraction form
    153,714.20/229,043.17 = 136,945.37/x
  3. Step 3: Cross multiply
    153,714.20x = 229,043.17 × 136,945.37
  4. Step 4: Simplify right side
    153,714.20x = 31,366,401,635.09
  5. Step 5: Solve for x
    x = 31,366,401,635.09/153,714.20
  6. Step 6: Final answer
    x = 204,056.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.