Home / 295,123.30-442,867.20-117,611.80

Finding the Fourth Proportional to 295,123.30, 442,867.20 and 117,611.80

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Solution

The fourth proportional to 295,123.30, 442,867.20 and 117,611.80 is: 176,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,123.30 : 442,867.20 = 117,611.80 : x
  2. Step 2: Convert to fraction form
    295,123.30/442,867.20 = 117,611.80/x
  3. Step 3: Cross multiply
    295,123.30x = 442,867.20 × 117,611.80
  4. Step 4: Simplify right side
    295,123.30x = 52,086,408,552.96
  5. Step 5: Solve for x
    x = 52,086,408,552.96/295,123.30
  6. Step 6: Final answer
    x = 176,490.33

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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.