Home / 166,670.64-230,010.98-91,219.14

Finding the Fourth Proportional to 166,670.64, 230,010.98 and 91,219.14

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Solution

The fourth proportional to 166,670.64, 230,010.98 and 91,219.14 is: 125,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,670.64 : 230,010.98 = 91,219.14 : x
  2. Step 2: Convert to fraction form
    166,670.64/230,010.98 = 91,219.14/x
  3. Step 3: Cross multiply
    166,670.64x = 230,010.98 × 91,219.14
  4. Step 4: Simplify right side
    166,670.64x = 20,981,403,330.06
  5. Step 5: Solve for x
    x = 20,981,403,330.06/166,670.64
  6. Step 6: Final answer
    x = 125,885.42

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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.