Home / 305,233.20-457,533.90-136,834.20

Finding the Fourth Proportional to 305,233.20, 457,533.90 and 136,834.20

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Solution

The fourth proportional to 305,233.20, 457,533.90 and 136,834.20 is: 205,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,233.20 : 457,533.90 = 136,834.20 : x
  2. Step 2: Convert to fraction form
    305,233.20/457,533.90 = 136,834.20/x
  3. Step 3: Cross multiply
    305,233.20x = 457,533.90 × 136,834.20
  4. Step 4: Simplify right side
    305,233.20x = 62,606,285,179.38
  5. Step 5: Solve for x
    x = 62,606,285,179.38/305,233.20
  6. Step 6: Final answer
    x = 205,109.68

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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.