Home / 135,913.64-187,561.25-75,484.27

Finding the Fourth Proportional to 135,913.64, 187,561.25 and 75,484.27

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Solution

The fourth proportional to 135,913.64, 187,561.25 and 75,484.27 is: 104,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,913.64 : 187,561.25 = 75,484.27 : x
  2. Step 2: Convert to fraction form
    135,913.64/187,561.25 = 75,484.27/x
  3. Step 3: Cross multiply
    135,913.64x = 187,561.25 × 75,484.27
  4. Step 4: Simplify right side
    135,913.64x = 14,157,923,756.35
  5. Step 5: Solve for x
    x = 14,157,923,756.35/135,913.64
  6. Step 6: Final answer
    x = 104,168.53

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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.