Home / 132,339.42-198,397.53-57,403.17

Finding the Fourth Proportional to 132,339.42, 198,397.53 and 57,403.17

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Solution

The fourth proportional to 132,339.42, 198,397.53 and 57,403.17 is: 86,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,339.42 : 198,397.53 = 57,403.17 : x
  2. Step 2: Convert to fraction form
    132,339.42/198,397.53 = 57,403.17/x
  3. Step 3: Cross multiply
    132,339.42x = 198,397.53 × 57,403.17
  4. Step 4: Simplify right side
    132,339.42x = 11,388,647,142.17
  5. Step 5: Solve for x
    x = 11,388,647,142.17/132,339.42
  6. Step 6: Final answer
    x = 86,056.35

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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.