Home / 132,629.06-198,980.08-39,134.81

Finding the Fourth Proportional to 132,629.06, 198,980.08 and 39,134.81

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Solution

The fourth proportional to 132,629.06, 198,980.08 and 39,134.81 is: 58,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,629.06 : 198,980.08 = 39,134.81 : x
  2. Step 2: Convert to fraction form
    132,629.06/198,980.08 = 39,134.81/x
  3. Step 3: Cross multiply
    132,629.06x = 198,980.08 × 39,134.81
  4. Step 4: Simplify right side
    132,629.06x = 7,787,048,024.20
  5. Step 5: Solve for x
    x = 7,787,048,024.20/132,629.06
  6. Step 6: Final answer
    x = 58,712.98

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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.