Home / 492,154.20-738,231.30-118,177.20

Finding the Fourth Proportional to 492,154.20, 738,231.30 and 118,177.20

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Solution

The fourth proportional to 492,154.20, 738,231.30 and 118,177.20 is: 177,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,154.20 : 738,231.30 = 118,177.20 : x
  2. Step 2: Convert to fraction form
    492,154.20/738,231.30 = 118,177.20/x
  3. Step 3: Cross multiply
    492,154.20x = 738,231.30 × 118,177.20
  4. Step 4: Simplify right side
    492,154.20x = 87,242,107,986.36
  5. Step 5: Solve for x
    x = 87,242,107,986.36/492,154.20
  6. Step 6: Final answer
    x = 177,265.80

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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.