Home / 206,396.45-284,858.23-125,870.69

Finding the Fourth Proportional to 206,396.45, 284,858.23 and 125,870.69

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Solution

The fourth proportional to 206,396.45, 284,858.23 and 125,870.69 is: 173,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,396.45 : 284,858.23 = 125,870.69 : x
  2. Step 2: Convert to fraction form
    206,396.45/284,858.23 = 125,870.69/x
  3. Step 3: Cross multiply
    206,396.45x = 284,858.23 × 125,870.69
  4. Step 4: Simplify right side
    206,396.45x = 35,855,301,962.28
  5. Step 5: Solve for x
    x = 35,855,301,962.28/206,396.45
  6. Step 6: Final answer
    x = 173,720.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.