Home / 301,631.10-452,446.17-76,991.50

Finding the Fourth Proportional to 301,631.10, 452,446.17 and 76,991.50

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Solution

The fourth proportional to 301,631.10, 452,446.17 and 76,991.50 is: 115,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,631.10 : 452,446.17 = 76,991.50 : x
  2. Step 2: Convert to fraction form
    301,631.10/452,446.17 = 76,991.50/x
  3. Step 3: Cross multiply
    301,631.10x = 452,446.17 × 76,991.50
  4. Step 4: Simplify right side
    301,631.10x = 34,834,509,297.56
  5. Step 5: Solve for x
    x = 34,834,509,297.56/301,631.10
  6. Step 6: Final answer
    x = 115,487.13

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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.