Home / 193,101.30-290,429.55-172,883.70

Finding the Fourth Proportional to 193,101.30, 290,429.55 and 172,883.70

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Solution

The fourth proportional to 193,101.30, 290,429.55 and 172,883.70 is: 260,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,101.30 : 290,429.55 = 172,883.70 : x
  2. Step 2: Convert to fraction form
    193,101.30/290,429.55 = 172,883.70/x
  3. Step 3: Cross multiply
    193,101.30x = 290,429.55 × 172,883.70
  4. Step 4: Simplify right side
    193,101.30x = 50,210,535,193.34
  5. Step 5: Solve for x
    x = 50,210,535,193.34/193,101.30
  6. Step 6: Final answer
    x = 260,021.74

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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.