Home / 135,693.30-187,249.09-75,259.60

Finding the Fourth Proportional to 135,693.30, 187,249.09 and 75,259.60

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Solution

The fourth proportional to 135,693.30, 187,249.09 and 75,259.60 is: 103,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,693.30 : 187,249.09 = 75,259.60 : x
  2. Step 2: Convert to fraction form
    135,693.30/187,249.09 = 75,259.60/x
  3. Step 3: Cross multiply
    135,693.30x = 187,249.09 × 75,259.60
  4. Step 4: Simplify right side
    135,693.30x = 14,092,291,613.76
  5. Step 5: Solve for x
    x = 14,092,291,613.76/135,693.30
  6. Step 6: Final answer
    x = 103,854.00

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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.