Home / 166,925.92-230,357.45-90,447.09

Finding the Fourth Proportional to 166,925.92, 230,357.45 and 90,447.09

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Solution

The fourth proportional to 166,925.92, 230,357.45 and 90,447.09 is: 124,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,925.92 : 230,357.45 = 90,447.09 : x
  2. Step 2: Convert to fraction form
    166,925.92/230,357.45 = 90,447.09/x
  3. Step 3: Cross multiply
    166,925.92x = 230,357.45 × 90,447.09
  4. Step 4: Simplify right side
    166,925.92x = 20,835,160,444.16
  5. Step 5: Solve for x
    x = 20,835,160,444.16/166,925.92
  6. Step 6: Final answer
    x = 124,816.80

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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.