Home / 132,324.73-198,486.78-57,435.16

Finding the Fourth Proportional to 132,324.73, 198,486.78 and 57,435.16

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Solution

The fourth proportional to 132,324.73, 198,486.78 and 57,435.16 is: 86,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,324.73 : 198,486.78 = 57,435.16 : x
  2. Step 2: Convert to fraction form
    132,324.73/198,486.78 = 57,435.16/x
  3. Step 3: Cross multiply
    132,324.73x = 198,486.78 × 57,435.16
  4. Step 4: Simplify right side
    132,324.73x = 11,400,119,967.18
  5. Step 5: Solve for x
    x = 11,400,119,967.18/132,324.73
  6. Step 6: Final answer
    x = 86,152.60

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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.