Home / 117,231.16-161,779.14-63,516.16

Finding the Fourth Proportional to 117,231.16, 161,779.14 and 63,516.16

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Solution

The fourth proportional to 117,231.16, 161,779.14 and 63,516.16 is: 87,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,231.16 : 161,779.14 = 63,516.16 : x
  2. Step 2: Convert to fraction form
    117,231.16/161,779.14 = 63,516.16/x
  3. Step 3: Cross multiply
    117,231.16x = 161,779.14 × 63,516.16
  4. Step 4: Simplify right side
    117,231.16x = 10,275,589,740.90
  5. Step 5: Solve for x
    x = 10,275,589,740.90/117,231.16
  6. Step 6: Final answer
    x = 87,652.38

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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.