Home / 194,869.40-291,720.90-173,874.20

Finding the Fourth Proportional to 194,869.40, 291,720.90 and 173,874.20

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Solution

The fourth proportional to 194,869.40, 291,720.90 and 173,874.20 is: 260,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,869.40 : 291,720.90 = 173,874.20 : x
  2. Step 2: Convert to fraction form
    194,869.40/291,720.90 = 173,874.20/x
  3. Step 3: Cross multiply
    194,869.40x = 291,720.90 × 173,874.20
  4. Step 4: Simplify right side
    194,869.40x = 50,722,738,110.78
  5. Step 5: Solve for x
    x = 50,722,738,110.78/194,869.40
  6. Step 6: Final answer
    x = 260,290.93

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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.