Home / 269,318.92-403,988.58-100,821.52

Finding the Fourth Proportional to 269,318.92, 403,988.58 and 100,821.52

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Solution

The fourth proportional to 269,318.92, 403,988.58 and 100,821.52 is: 151,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,318.92 : 403,988.58 = 100,821.52 : x
  2. Step 2: Convert to fraction form
    269,318.92/403,988.58 = 100,821.52/x
  3. Step 3: Cross multiply
    269,318.92x = 403,988.58 × 100,821.52
  4. Step 4: Simplify right side
    269,318.92x = 40,730,742,698.24
  5. Step 5: Solve for x
    x = 40,730,742,698.24/269,318.92
  6. Step 6: Final answer
    x = 151,236.10

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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.