Home / 193,308.12-266,777.82-108,430.92

Finding the Fourth Proportional to 193,308.12, 266,777.82 and 108,430.92

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Solution

The fourth proportional to 193,308.12, 266,777.82 and 108,430.92 is: 149,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,308.12 : 266,777.82 = 108,430.92 : x
  2. Step 2: Convert to fraction form
    193,308.12/266,777.82 = 108,430.92/x
  3. Step 3: Cross multiply
    193,308.12x = 266,777.82 × 108,430.92
  4. Step 4: Simplify right side
    193,308.12x = 28,926,964,458.19
  5. Step 5: Solve for x
    x = 28,926,964,458.19/193,308.12
  6. Step 6: Final answer
    x = 149,641.75

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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.