Home / 193,185.64-266,608.98-108,308.20

Finding the Fourth Proportional to 193,185.64, 266,608.98 and 108,308.20

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Solution

The fourth proportional to 193,185.64, 266,608.98 and 108,308.20 is: 149,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,185.64 : 266,608.98 = 108,308.20 : x
  2. Step 2: Convert to fraction form
    193,185.64/266,608.98 = 108,308.20/x
  3. Step 3: Cross multiply
    193,185.64x = 266,608.98 × 108,308.20
  4. Step 4: Simplify right side
    193,185.64x = 28,875,938,727.64
  5. Step 5: Solve for x
    x = 28,875,938,727.64/193,185.64
  6. Step 6: Final answer
    x = 149,472.49

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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.