Home / 117,633.72-162,316.26-69,885.84

Finding the Fourth Proportional to 117,633.72, 162,316.26 and 69,885.84

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Solution

The fourth proportional to 117,633.72, 162,316.26 and 69,885.84 is: 96,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,633.72 : 162,316.26 = 69,885.84 : x
  2. Step 2: Convert to fraction form
    117,633.72/162,316.26 = 69,885.84/x
  3. Step 3: Cross multiply
    117,633.72x = 162,316.26 × 69,885.84
  4. Step 4: Simplify right side
    117,633.72x = 11,343,608,175.76
  5. Step 5: Solve for x
    x = 11,343,608,175.76/117,633.72
  6. Step 6: Final answer
    x = 96,431.60

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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.