Home / 166,818.36-230,208.19-90,335.71

Finding the Fourth Proportional to 166,818.36, 230,208.19 and 90,335.71

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Solution

The fourth proportional to 166,818.36, 230,208.19 and 90,335.71 is: 124,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,818.36 : 230,208.19 = 90,335.71 : x
  2. Step 2: Convert to fraction form
    166,818.36/230,208.19 = 90,335.71/x
  3. Step 3: Cross multiply
    166,818.36x = 230,208.19 × 90,335.71
  4. Step 4: Simplify right side
    166,818.36x = 20,796,019,140.42
  5. Step 5: Solve for x
    x = 20,796,019,140.42/166,818.36
  6. Step 6: Final answer
    x = 124,662.65

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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.