Home / 193,102.56-266,431.50-116,561.16

Finding the Fourth Proportional to 193,102.56, 266,431.50 and 116,561.16

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Solution

The fourth proportional to 193,102.56, 266,431.50 and 116,561.16 is: 160,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,102.56 : 266,431.50 = 116,561.16 : x
  2. Step 2: Convert to fraction form
    193,102.56/266,431.50 = 116,561.16/x
  3. Step 3: Cross multiply
    193,102.56x = 266,431.50 × 116,561.16
  4. Step 4: Simplify right side
    193,102.56x = 31,055,564,700.54
  5. Step 5: Solve for x
    x = 31,055,564,700.54/193,102.56
  6. Step 6: Final answer
    x = 160,824.20

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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.