Home / 132,530.15-198,790.44-57,650.35

Finding the Fourth Proportional to 132,530.15, 198,790.44 and 57,650.35

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Solution

The fourth proportional to 132,530.15, 198,790.44 and 57,650.35 is: 86,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,530.15 : 198,790.44 = 57,650.35 : x
  2. Step 2: Convert to fraction form
    132,530.15/198,790.44 = 57,650.35/x
  3. Step 3: Cross multiply
    132,530.15x = 198,790.44 × 57,650.35
  4. Step 4: Simplify right side
    132,530.15x = 11,460,337,506.79
  5. Step 5: Solve for x
    x = 11,460,337,506.79/132,530.15
  6. Step 6: Final answer
    x = 86,473.44

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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.