Home / 166,393.04-229,622.31-90,941.54

Finding the Fourth Proportional to 166,393.04, 229,622.31 and 90,941.54

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Solution

The fourth proportional to 166,393.04, 229,622.31 and 90,941.54 is: 125,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,393.04 : 229,622.31 = 90,941.54 : x
  2. Step 2: Convert to fraction form
    166,393.04/229,622.31 = 90,941.54/x
  3. Step 3: Cross multiply
    166,393.04x = 229,622.31 × 90,941.54
  4. Step 4: Simplify right side
    166,393.04x = 20,882,205,341.65
  5. Step 5: Solve for x
    x = 20,882,205,341.65/166,393.04
  6. Step 6: Final answer
    x = 125,499.28

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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.