Home / 204,573.04-306,661.20-104,780.32

Finding the Fourth Proportional to 204,573.04, 306,661.20 and 104,780.32

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Solution

The fourth proportional to 204,573.04, 306,661.20 and 104,780.32 is: 157,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,573.04 : 306,661.20 = 104,780.32 : x
  2. Step 2: Convert to fraction form
    204,573.04/306,661.20 = 104,780.32/x
  3. Step 3: Cross multiply
    204,573.04x = 306,661.20 × 104,780.32
  4. Step 4: Simplify right side
    204,573.04x = 32,132,058,667.58
  5. Step 5: Solve for x
    x = 32,132,058,667.58/204,573.04
  6. Step 6: Final answer
    x = 157,068.88

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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.