Home / 318,634.58-477,905.75-93,983.91

Finding the Fourth Proportional to 318,634.58, 477,905.75 and 93,983.91

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Solution

The fourth proportional to 318,634.58, 477,905.75 and 93,983.91 is: 140,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,634.58 : 477,905.75 = 93,983.91 : x
  2. Step 2: Convert to fraction form
    318,634.58/477,905.75 = 93,983.91/x
  3. Step 3: Cross multiply
    318,634.58x = 477,905.75 × 93,983.91
  4. Step 4: Simplify right side
    318,634.58x = 44,915,452,671.15
  5. Step 5: Solve for x
    x = 44,915,452,671.15/318,634.58
  6. Step 6: Final answer
    x = 140,962.27

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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.