Home / 166,772.53-230,146.16-90,291.62

Finding the Fourth Proportional to 166,772.53, 230,146.16 and 90,291.62

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Solution

The fourth proportional to 166,772.53, 230,146.16 and 90,291.62 is: 124,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,772.53 : 230,146.16 = 90,291.62 : x
  2. Step 2: Convert to fraction form
    166,772.53/230,146.16 = 90,291.62/x
  3. Step 3: Cross multiply
    166,772.53x = 230,146.16 × 90,291.62
  4. Step 4: Simplify right side
    166,772.53x = 20,780,269,623.18
  5. Step 5: Solve for x
    x = 20,780,269,623.18/166,772.53
  6. Step 6: Final answer
    x = 124,602.47

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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.