Home / 194,720.28-291,975.93-99,911.40

Finding the Fourth Proportional to 194,720.28, 291,975.93 and 99,911.40

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Solution

The fourth proportional to 194,720.28, 291,975.93 and 99,911.40 is: 149,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,720.28 : 291,975.93 = 99,911.40 : x
  2. Step 2: Convert to fraction form
    194,720.28/291,975.93 = 99,911.40/x
  3. Step 3: Cross multiply
    194,720.28x = 291,975.93 × 99,911.40
  4. Step 4: Simplify right side
    194,720.28x = 29,171,723,932.60
  5. Step 5: Solve for x
    x = 29,171,723,932.60/194,720.28
  6. Step 6: Final answer
    x = 149,813.49

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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.