Home / 129,913.60-194,801.28-61,453.44

Finding the Fourth Proportional to 129,913.60, 194,801.28 and 61,453.44

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Solution

The fourth proportional to 129,913.60, 194,801.28 and 61,453.44 is: 92,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,913.60 : 194,801.28 = 61,453.44 : x
  2. Step 2: Convert to fraction form
    129,913.60/194,801.28 = 61,453.44/x
  3. Step 3: Cross multiply
    129,913.60x = 194,801.28 × 61,453.44
  4. Step 4: Simplify right side
    129,913.60x = 11,971,208,772.40
  5. Step 5: Solve for x
    x = 11,971,208,772.40/129,913.60
  6. Step 6: Final answer
    x = 92,147.46

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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.