Home / 193,222.75-266,650.12-116,731.21

Finding the Fourth Proportional to 193,222.75, 266,650.12 and 116,731.21

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Solution

The fourth proportional to 193,222.75, 266,650.12 and 116,731.21 is: 161,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,222.75 : 266,650.12 = 116,731.21 : x
  2. Step 2: Convert to fraction form
    193,222.75/266,650.12 = 116,731.21/x
  3. Step 3: Cross multiply
    193,222.75x = 266,650.12 × 116,731.21
  4. Step 4: Simplify right side
    193,222.75x = 31,126,391,154.25
  5. Step 5: Solve for x
    x = 31,126,391,154.25/193,222.75
  6. Step 6: Final answer
    x = 161,090.72

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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.