Home / 291,919.90-437,989.20-114,554.20

Finding the Fourth Proportional to 291,919.90, 437,989.20 and 114,554.20

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Solution

The fourth proportional to 291,919.90, 437,989.20 and 114,554.20 is: 171,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,919.90 : 437,989.20 = 114,554.20 : x
  2. Step 2: Convert to fraction form
    291,919.90/437,989.20 = 114,554.20/x
  3. Step 3: Cross multiply
    291,919.90x = 437,989.20 × 114,554.20
  4. Step 4: Simplify right side
    291,919.90x = 50,173,502,414.64
  5. Step 5: Solve for x
    x = 50,173,502,414.64/291,919.90
  6. Step 6: Final answer
    x = 171,874.21

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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.