Home / 308,822.10-463,233.15-109,140.90

Finding the Fourth Proportional to 308,822.10, 463,233.15 and 109,140.90

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Solution

The fourth proportional to 308,822.10, 463,233.15 and 109,140.90 is: 163,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,822.10 : 463,233.15 = 109,140.90 : x
  2. Step 2: Convert to fraction form
    308,822.10/463,233.15 = 109,140.90/x
  3. Step 3: Cross multiply
    308,822.10x = 463,233.15 × 109,140.90
  4. Step 4: Simplify right side
    308,822.10x = 50,557,682,900.84
  5. Step 5: Solve for x
    x = 50,557,682,900.84/308,822.10
  6. Step 6: Final answer
    x = 163,711.35

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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.