Home / 203,357.04-280,568.55-117,304.47

Finding the Fourth Proportional to 203,357.04, 280,568.55 and 117,304.47

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Solution

The fourth proportional to 203,357.04, 280,568.55 and 117,304.47 is: 161,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,357.04 : 280,568.55 = 117,304.47 : x
  2. Step 2: Convert to fraction form
    203,357.04/280,568.55 = 117,304.47/x
  3. Step 3: Cross multiply
    203,357.04x = 280,568.55 × 117,304.47
  4. Step 4: Simplify right side
    203,357.04x = 32,911,945,056.42
  5. Step 5: Solve for x
    x = 32,911,945,056.42/203,357.04
  6. Step 6: Final answer
    x = 161,843.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.