Home / 132,289.68-198,461.86-43,548.51

Finding the Fourth Proportional to 132,289.68, 198,461.86 and 43,548.51

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Solution

The fourth proportional to 132,289.68, 198,461.86 and 43,548.51 is: 65,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,289.68 : 198,461.86 = 43,548.51 : x
  2. Step 2: Convert to fraction form
    132,289.68/198,461.86 = 43,548.51/x
  3. Step 3: Cross multiply
    132,289.68x = 198,461.86 × 43,548.51
  4. Step 4: Simplify right side
    132,289.68x = 8,642,718,294.83
  5. Step 5: Solve for x
    x = 8,642,718,294.83/132,289.68
  6. Step 6: Final answer
    x = 65,331.77

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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.