Home / 166,656.96-229,984.95-90,174.36

Finding the Fourth Proportional to 166,656.96, 229,984.95 and 90,174.36

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Solution

The fourth proportional to 166,656.96, 229,984.95 and 90,174.36 is: 124,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,656.96 : 229,984.95 = 90,174.36 : x
  2. Step 2: Convert to fraction form
    166,656.96/229,984.95 = 90,174.36/x
  3. Step 3: Cross multiply
    166,656.96x = 229,984.95 × 90,174.36
  4. Step 4: Simplify right side
    166,656.96x = 20,738,746,876.48
  5. Step 5: Solve for x
    x = 20,738,746,876.48/166,656.96
  6. Step 6: Final answer
    x = 124,439.73

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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.