Home / 116,538.18-161,431.76-114,176.22

Finding the Fourth Proportional to 116,538.18, 161,431.76 and 114,176.22

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Solution

The fourth proportional to 116,538.18, 161,431.76 and 114,176.22 is: 158,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,538.18 : 161,431.76 = 114,176.22 : x
  2. Step 2: Convert to fraction form
    116,538.18/161,431.76 = 114,176.22/x
  3. Step 3: Cross multiply
    116,538.18x = 161,431.76 × 114,176.22
  4. Step 4: Simplify right side
    116,538.18x = 18,431,667,573.87
  5. Step 5: Solve for x
    x = 18,431,667,573.87/116,538.18
  6. Step 6: Final answer
    x = 158,159.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.