Home / 211,957.20-317,838.60-93,567.60

Finding the Fourth Proportional to 211,957.20, 317,838.60 and 93,567.60

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Solution

The fourth proportional to 211,957.20, 317,838.60 and 93,567.60 is: 140,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,957.20 : 317,838.60 = 93,567.60 : x
  2. Step 2: Convert to fraction form
    211,957.20/317,838.60 = 93,567.60/x
  3. Step 3: Cross multiply
    211,957.20x = 317,838.60 × 93,567.60
  4. Step 4: Simplify right side
    211,957.20x = 29,739,394,989.36
  5. Step 5: Solve for x
    x = 29,739,394,989.36/211,957.20
  6. Step 6: Final answer
    x = 140,308.49

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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.