Home / 303,215.31-454,927.85-103,676.18

Finding the Fourth Proportional to 303,215.31, 454,927.85 and 103,676.18

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Solution

The fourth proportional to 303,215.31, 454,927.85 and 103,676.18 is: 155,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,215.31 : 454,927.85 = 103,676.18 : x
  2. Step 2: Convert to fraction form
    303,215.31/454,927.85 = 103,676.18/x
  3. Step 3: Cross multiply
    303,215.31x = 454,927.85 × 103,676.18
  4. Step 4: Simplify right side
    303,215.31x = 47,165,178,870.59
  5. Step 5: Solve for x
    x = 47,165,178,870.59/303,215.31
  6. Step 6: Final answer
    x = 155,550.12

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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.