Home / 161,516.57-242,324.51-82,686.16

Finding the Fourth Proportional to 161,516.57, 242,324.51 and 82,686.16

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Solution

The fourth proportional to 161,516.57, 242,324.51 and 82,686.16 is: 124,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,516.57 : 242,324.51 = 82,686.16 : x
  2. Step 2: Convert to fraction form
    161,516.57/242,324.51 = 82,686.16/x
  3. Step 3: Cross multiply
    161,516.57x = 242,324.51 × 82,686.16
  4. Step 4: Simplify right side
    161,516.57x = 20,036,882,186.54
  5. Step 5: Solve for x
    x = 20,036,882,186.54/161,516.57
  6. Step 6: Final answer
    x = 124,054.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.