Home / 116,688.20-174,830.70-54,230.60

Finding the Fourth Proportional to 116,688.20, 174,830.70 and 54,230.60

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Solution

The fourth proportional to 116,688.20, 174,830.70 and 54,230.60 is: 81,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,688.20 : 174,830.70 = 54,230.60 : x
  2. Step 2: Convert to fraction form
    116,688.20/174,830.70 = 54,230.60/x
  3. Step 3: Cross multiply
    116,688.20x = 174,830.70 × 54,230.60
  4. Step 4: Simplify right side
    116,688.20x = 9,481,173,759.42
  5. Step 5: Solve for x
    x = 9,481,173,759.42/116,688.20
  6. Step 6: Final answer
    x = 81,252.21

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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.