Home / 193,151.70-266,431.59-127,740.42

Finding the Fourth Proportional to 193,151.70, 266,431.59 and 127,740.42

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Solution

The fourth proportional to 193,151.70, 266,431.59 and 127,740.42 is: 176,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,151.70 : 266,431.59 = 127,740.42 : x
  2. Step 2: Convert to fraction form
    193,151.70/266,431.59 = 127,740.42/x
  3. Step 3: Cross multiply
    193,151.70x = 266,431.59 × 127,740.42
  4. Step 4: Simplify right side
    193,151.70x = 34,034,083,207.87
  5. Step 5: Solve for x
    x = 34,034,083,207.87/193,151.70
  6. Step 6: Final answer
    x = 176,203.90

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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.