Home / 295,518.30-442,989.45-169,028.70

Finding the Fourth Proportional to 295,518.30, 442,989.45 and 169,028.70

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Solution

The fourth proportional to 295,518.30, 442,989.45 and 169,028.70 is: 253,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,518.30 : 442,989.45 = 169,028.70 : x
  2. Step 2: Convert to fraction form
    295,518.30/442,989.45 = 169,028.70/x
  3. Step 3: Cross multiply
    295,518.30x = 442,989.45 × 169,028.70
  4. Step 4: Simplify right side
    295,518.30x = 74,877,930,847.22
  5. Step 5: Solve for x
    x = 74,877,930,847.22/295,518.30
  6. Step 6: Final answer
    x = 253,378.32

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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.