Home / 194,459.28-291,690.24-54,219.12

Finding the Fourth Proportional to 194,459.28, 291,690.24 and 54,219.12

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Solution

The fourth proportional to 194,459.28, 291,690.24 and 54,219.12 is: 81,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,459.28 : 291,690.24 = 54,219.12 : x
  2. Step 2: Convert to fraction form
    194,459.28/291,690.24 = 54,219.12/x
  3. Step 3: Cross multiply
    194,459.28x = 291,690.24 × 54,219.12
  4. Step 4: Simplify right side
    194,459.28x = 15,815,188,125.39
  5. Step 5: Solve for x
    x = 15,815,188,125.39/194,459.28
  6. Step 6: Final answer
    x = 81,329.05

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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.