Home / 447,499.41-671,248.30-132,177.75

Finding the Fourth Proportional to 447,499.41, 671,248.30 and 132,177.75

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Solution

The fourth proportional to 447,499.41, 671,248.30 and 132,177.75 is: 198,266.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,499.41 : 671,248.30 = 132,177.75 : x
  2. Step 2: Convert to fraction form
    447,499.41/671,248.30 = 132,177.75/x
  3. Step 3: Cross multiply
    447,499.41x = 671,248.30 × 132,177.75
  4. Step 4: Simplify right side
    447,499.41x = 88,724,089,985.33
  5. Step 5: Solve for x
    x = 88,724,089,985.33/447,499.41
  6. Step 6: Final answer
    x = 198,266.38

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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.