Home / 203,333.04-280,532.34-122,729.94

Finding the Fourth Proportional to 203,333.04, 280,532.34 and 122,729.94

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Solution

The fourth proportional to 203,333.04, 280,532.34 and 122,729.94 is: 169,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,333.04 : 280,532.34 = 122,729.94 : x
  2. Step 2: Convert to fraction form
    203,333.04/280,532.34 = 122,729.94/x
  3. Step 3: Cross multiply
    203,333.04x = 280,532.34 × 122,729.94
  4. Step 4: Simplify right side
    203,333.04x = 34,429,717,256.26
  5. Step 5: Solve for x
    x = 34,429,717,256.26/203,333.04
  6. Step 6: Final answer
    x = 169,326.72

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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.