Home / 136,064.43-187,703.60-117,168.75

Finding the Fourth Proportional to 136,064.43, 187,703.60 and 117,168.75

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Solution

The fourth proportional to 136,064.43, 187,703.60 and 117,168.75 is: 161,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,064.43 : 187,703.60 = 117,168.75 : x
  2. Step 2: Convert to fraction form
    136,064.43/187,703.60 = 117,168.75/x
  3. Step 3: Cross multiply
    136,064.43x = 187,703.60 × 117,168.75
  4. Step 4: Simplify right side
    136,064.43x = 21,992,995,596.66
  5. Step 5: Solve for x
    x = 21,992,995,596.66/136,064.43
  6. Step 6: Final answer
    x = 161,636.63

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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.