Home / 166,777.65-230,153.25-90,296.78

Finding the Fourth Proportional to 166,777.65, 230,153.25 and 90,296.78

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Solution

The fourth proportional to 166,777.65, 230,153.25 and 90,296.78 is: 124,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,777.65 : 230,153.25 = 90,296.78 : x
  2. Step 2: Convert to fraction form
    166,777.65/230,153.25 = 90,296.78/x
  3. Step 3: Cross multiply
    166,777.65x = 230,153.25 × 90,296.78
  4. Step 4: Simplify right side
    166,777.65x = 20,782,096,061.46
  5. Step 5: Solve for x
    x = 20,782,096,061.46/166,777.65
  6. Step 6: Final answer
    x = 124,609.60

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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.