Home / 104,209.28-156,308.88-34,079.36

Finding the Fourth Proportional to 104,209.28, 156,308.88 and 34,079.36

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Solution

The fourth proportional to 104,209.28, 156,308.88 and 34,079.36 is: 51,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,209.28 : 156,308.88 = 34,079.36 : x
  2. Step 2: Convert to fraction form
    104,209.28/156,308.88 = 34,079.36/x
  3. Step 3: Cross multiply
    104,209.28x = 156,308.88 × 34,079.36
  4. Step 4: Simplify right side
    104,209.28x = 5,326,906,592.72
  5. Step 5: Solve for x
    x = 5,326,906,592.72/104,209.28
  6. Step 6: Final answer
    x = 51,117.39

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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.