Home / 117,655.76-162,233.16-110,190.80

Finding the Fourth Proportional to 117,655.76, 162,233.16 and 110,190.80

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Solution

The fourth proportional to 117,655.76, 162,233.16 and 110,190.80 is: 151,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,655.76 : 162,233.16 = 110,190.80 : x
  2. Step 2: Convert to fraction form
    117,655.76/162,233.16 = 110,190.80/x
  3. Step 3: Cross multiply
    117,655.76x = 162,233.16 × 110,190.80
  4. Step 4: Simplify right side
    117,655.76x = 17,876,601,686.93
  5. Step 5: Solve for x
    x = 17,876,601,686.93/117,655.76
  6. Step 6: Final answer
    x = 151,939.88

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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.