Home / 234,172.40-351,295.18-76,364.15

Finding the Fourth Proportional to 234,172.40, 351,295.18 and 76,364.15

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Solution

The fourth proportional to 234,172.40, 351,295.18 and 76,364.15 is: 114,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,172.40 : 351,295.18 = 76,364.15 : x
  2. Step 2: Convert to fraction form
    234,172.40/351,295.18 = 76,364.15/x
  3. Step 3: Cross multiply
    234,172.40x = 351,295.18 × 76,364.15
  4. Step 4: Simplify right side
    234,172.40x = 26,826,355,872.41
  5. Step 5: Solve for x
    x = 26,826,355,872.41/234,172.40
  6. Step 6: Final answer
    x = 114,558.15

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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.