Home / 193,308.20-289,616.70-163,586.60

Finding the Fourth Proportional to 193,308.20, 289,616.70 and 163,586.60

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Solution

The fourth proportional to 193,308.20, 289,616.70 and 163,586.60 is: 245,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,308.20 : 289,616.70 = 163,586.60 : x
  2. Step 2: Convert to fraction form
    193,308.20/289,616.70 = 163,586.60/x
  3. Step 3: Cross multiply
    193,308.20x = 289,616.70 × 163,586.60
  4. Step 4: Simplify right side
    193,308.20x = 47,377,411,256.22
  5. Step 5: Solve for x
    x = 47,377,411,256.22/193,308.20
  6. Step 6: Final answer
    x = 245,087.44

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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.