Home / 303,315.03-454,972.09-103,636.92

Finding the Fourth Proportional to 303,315.03, 454,972.09 and 103,636.92

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Solution

The fourth proportional to 303,315.03, 454,972.09 and 103,636.92 is: 155,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,315.03 : 454,972.09 = 103,636.92 : x
  2. Step 2: Convert to fraction form
    303,315.03/454,972.09 = 103,636.92/x
  3. Step 3: Cross multiply
    303,315.03x = 454,972.09 × 103,636.92
  4. Step 4: Simplify right side
    303,315.03x = 47,151,905,175.72
  5. Step 5: Solve for x
    x = 47,151,905,175.72/303,315.03
  6. Step 6: Final answer
    x = 155,455.22

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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.