Home / 413,159.10-619,738.65-223,546.20

Finding the Fourth Proportional to 413,159.10, 619,738.65 and 223,546.20

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Solution

The fourth proportional to 413,159.10, 619,738.65 and 223,546.20 is: 335,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,159.10 : 619,738.65 = 223,546.20 : x
  2. Step 2: Convert to fraction form
    413,159.10/619,738.65 = 223,546.20/x
  3. Step 3: Cross multiply
    413,159.10x = 619,738.65 × 223,546.20
  4. Step 4: Simplify right side
    413,159.10x = 138,540,220,200.63
  5. Step 5: Solve for x
    x = 138,540,220,200.63/413,159.10
  6. Step 6: Final answer
    x = 335,319.30

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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.