Home / 291,743.90-437,440.83-133,774.46

Finding the Fourth Proportional to 291,743.90, 437,440.83 and 133,774.46

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Solution

The fourth proportional to 291,743.90, 437,440.83 and 133,774.46 is: 200,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,743.90 : 437,440.83 = 133,774.46 : x
  2. Step 2: Convert to fraction form
    291,743.90/437,440.83 = 133,774.46/x
  3. Step 3: Cross multiply
    291,743.90x = 437,440.83 × 133,774.46
  4. Step 4: Simplify right side
    291,743.90x = 58,518,410,815.20
  5. Step 5: Solve for x
    x = 58,518,410,815.20/291,743.90
  6. Step 6: Final answer
    x = 200,581.44

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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.