Home / 166,730.09-230,087.52-91,278.59

Finding the Fourth Proportional to 166,730.09, 230,087.52 and 91,278.59

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Solution

The fourth proportional to 166,730.09, 230,087.52 and 91,278.59 is: 125,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,730.09 : 230,087.52 = 91,278.59 : x
  2. Step 2: Convert to fraction form
    166,730.09/230,087.52 = 91,278.59/x
  3. Step 3: Cross multiply
    166,730.09x = 230,087.52 × 91,278.59
  4. Step 4: Simplify right side
    166,730.09x = 21,002,063,251.76
  5. Step 5: Solve for x
    x = 21,002,063,251.76/166,730.09
  6. Step 6: Final answer
    x = 125,964.45

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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.