Home / 132,666.46-198,999.24-53,780.48

Finding the Fourth Proportional to 132,666.46, 198,999.24 and 53,780.48

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Solution

The fourth proportional to 132,666.46, 198,999.24 and 53,780.48 is: 80,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,666.46 : 198,999.24 = 53,780.48 : x
  2. Step 2: Convert to fraction form
    132,666.46/198,999.24 = 53,780.48/x
  3. Step 3: Cross multiply
    132,666.46x = 198,999.24 × 53,780.48
  4. Step 4: Simplify right side
    132,666.46x = 10,702,274,646.84
  5. Step 5: Solve for x
    x = 10,702,274,646.84/132,666.46
  6. Step 6: Final answer
    x = 80,670.54

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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.