Home / 193,124.30-290,464.05-172,906.70

Finding the Fourth Proportional to 193,124.30, 290,464.05 and 172,906.70

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Solution

The fourth proportional to 193,124.30, 290,464.05 and 172,906.70 is: 260,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,124.30 : 290,464.05 = 172,906.70 : x
  2. Step 2: Convert to fraction form
    193,124.30/290,464.05 = 172,906.70/x
  3. Step 3: Cross multiply
    193,124.30x = 290,464.05 × 172,906.70
  4. Step 4: Simplify right side
    193,124.30x = 50,223,180,354.14
  5. Step 5: Solve for x
    x = 50,223,180,354.14/193,124.30
  6. Step 6: Final answer
    x = 260,056.25

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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.