Home / 193,177.98-266,739.75-129,570.30

Finding the Fourth Proportional to 193,177.98, 266,739.75 and 129,570.30

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Solution

The fourth proportional to 193,177.98, 266,739.75 and 129,570.30 is: 178,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,177.98 : 266,739.75 = 129,570.30 : x
  2. Step 2: Convert to fraction form
    193,177.98/266,739.75 = 129,570.30/x
  3. Step 3: Cross multiply
    193,177.98x = 266,739.75 × 129,570.30
  4. Step 4: Simplify right side
    193,177.98x = 34,561,549,429.43
  5. Step 5: Solve for x
    x = 34,561,549,429.43/193,177.98
  6. Step 6: Final answer
    x = 178,910.40

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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.