Home / 166,772.28-230,145.82-90,291.38

Finding the Fourth Proportional to 166,772.28, 230,145.82 and 90,291.38

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Solution

The fourth proportional to 166,772.28, 230,145.82 and 90,291.38 is: 124,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,772.28 : 230,145.82 = 90,291.38 : x
  2. Step 2: Convert to fraction form
    166,772.28/230,145.82 = 90,291.38/x
  3. Step 3: Cross multiply
    166,772.28x = 230,145.82 × 90,291.38
  4. Step 4: Simplify right side
    166,772.28x = 20,780,182,538.30
  5. Step 5: Solve for x
    x = 20,780,182,538.30/166,772.28
  6. Step 6: Final answer
    x = 124,602.14

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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.