Home / 172,217.06-258,330.46-47,558.06

Finding the Fourth Proportional to 172,217.06, 258,330.46 and 47,558.06

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Solution

The fourth proportional to 172,217.06, 258,330.46 and 47,558.06 is: 71,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,217.06 : 258,330.46 = 47,558.06 : x
  2. Step 2: Convert to fraction form
    172,217.06/258,330.46 = 47,558.06/x
  3. Step 3: Cross multiply
    172,217.06x = 258,330.46 × 47,558.06
  4. Step 4: Simplify right side
    172,217.06x = 12,285,695,516.51
  5. Step 5: Solve for x
    x = 12,285,695,516.51/172,217.06
  6. Step 6: Final answer
    x = 71,338.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.