Home / 196,987.85-295,057.36-133,459.43

Finding the Fourth Proportional to 196,987.85, 295,057.36 and 133,459.43

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Solution

The fourth proportional to 196,987.85, 295,057.36 and 133,459.43 is: 199,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,987.85 : 295,057.36 = 133,459.43 : x
  2. Step 2: Convert to fraction form
    196,987.85/295,057.36 = 133,459.43/x
  3. Step 3: Cross multiply
    196,987.85x = 295,057.36 × 133,459.43
  4. Step 4: Simplify right side
    196,987.85x = 39,378,187,082.90
  5. Step 5: Solve for x
    x = 39,378,187,082.90/196,987.85
  6. Step 6: Final answer
    x = 199,901.60

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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.