Home / 194,520.04-291,697.44-76,172.56

Finding the Fourth Proportional to 194,520.04, 291,697.44 and 76,172.56

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Solution

The fourth proportional to 194,520.04, 291,697.44 and 76,172.56 is: 114,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,520.04 : 291,697.44 = 76,172.56 : x
  2. Step 2: Convert to fraction form
    194,520.04/291,697.44 = 76,172.56/x
  3. Step 3: Cross multiply
    194,520.04x = 291,697.44 × 76,172.56
  4. Step 4: Simplify right side
    194,520.04x = 22,219,340,750.25
  5. Step 5: Solve for x
    x = 22,219,340,750.25/194,520.04
  6. Step 6: Final answer
    x = 114,226.49

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1.5x scale

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.