Home / 132,521.24-198,669.50-57,585

Finding the Fourth Proportional to 132,521.24, 198,669.50 and 57,585

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Solution

The fourth proportional to 132,521.24, 198,669.50 and 57,585 is: 86,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,521.24 : 198,669.50 = 57,585 : x
  2. Step 2: Convert to fraction form
    132,521.24/198,669.50 = 57,585/x
  3. Step 3: Cross multiply
    132,521.24x = 198,669.50 × 57,585
  4. Step 4: Simplify right side
    132,521.24x = 11,440,383,157.50
  5. Step 5: Solve for x
    x = 11,440,383,157.50/132,521.24
  6. Step 6: Final answer
    x = 86,328.68

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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.