Home / 194,038.50-291,106.17-67,680.54

Finding the Fourth Proportional to 194,038.50, 291,106.17 and 67,680.54

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Solution

The fourth proportional to 194,038.50, 291,106.17 and 67,680.54 is: 101,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,038.50 : 291,106.17 = 67,680.54 : x
  2. Step 2: Convert to fraction form
    194,038.50/291,106.17 = 67,680.54/x
  3. Step 3: Cross multiply
    194,038.50x = 291,106.17 × 67,680.54
  4. Step 4: Simplify right side
    194,038.50x = 19,702,223,874.58
  5. Step 5: Solve for x
    x = 19,702,223,874.58/194,038.50
  6. Step 6: Final answer
    x = 101,537.71

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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.