Home / 325,156.44-487,890.18-114,893.40

Finding the Fourth Proportional to 325,156.44, 487,890.18 and 114,893.40

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Solution

The fourth proportional to 325,156.44, 487,890.18 and 114,893.40 is: 172,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,156.44 : 487,890.18 = 114,893.40 : x
  2. Step 2: Convert to fraction form
    325,156.44/487,890.18 = 114,893.40/x
  3. Step 3: Cross multiply
    325,156.44x = 487,890.18 × 114,893.40
  4. Step 4: Simplify right side
    325,156.44x = 56,055,361,606.81
  5. Step 5: Solve for x
    x = 56,055,361,606.81/325,156.44
  6. Step 6: Final answer
    x = 172,395.05

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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.