Home / 166,964.60-230,410.64-90,485.88

Finding the Fourth Proportional to 166,964.60, 230,410.64 and 90,485.88

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Solution

The fourth proportional to 166,964.60, 230,410.64 and 90,485.88 is: 124,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,964.60 : 230,410.64 = 90,485.88 : x
  2. Step 2: Convert to fraction form
    166,964.60/230,410.64 = 90,485.88/x
  3. Step 3: Cross multiply
    166,964.60x = 230,410.64 × 90,485.88
  4. Step 4: Simplify right side
    166,964.60x = 20,848,909,521.76
  5. Step 5: Solve for x
    x = 20,848,909,521.76/166,964.60
  6. Step 6: Final answer
    x = 124,870.24

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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.