Home / 194,765.99-291,972.60-76,405.55

Finding the Fourth Proportional to 194,765.99, 291,972.60 and 76,405.55

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Solution

The fourth proportional to 194,765.99, 291,972.60 and 76,405.55 is: 114,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,765.99 : 291,972.60 = 76,405.55 : x
  2. Step 2: Convert to fraction form
    194,765.99/291,972.60 = 76,405.55/x
  3. Step 3: Cross multiply
    194,765.99x = 291,972.60 × 76,405.55
  4. Step 4: Simplify right side
    194,765.99x = 22,308,325,628.07
  5. Step 5: Solve for x
    x = 22,308,325,628.07/194,765.99
  6. Step 6: Final answer
    x = 114,539.13

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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.