Home / 132,324.48-198,486.41-57,434.91

Finding the Fourth Proportional to 132,324.48, 198,486.41 and 57,434.91

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Solution

The fourth proportional to 132,324.48, 198,486.41 and 57,434.91 is: 86,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,324.48 : 198,486.41 = 57,434.91 : x
  2. Step 2: Convert to fraction form
    132,324.48/198,486.41 = 57,434.91/x
  3. Step 3: Cross multiply
    132,324.48x = 198,486.41 × 57,434.91
  4. Step 4: Simplify right side
    132,324.48x = 11,400,048,807.40
  5. Step 5: Solve for x
    x = 11,400,048,807.40/132,324.48
  6. Step 6: Final answer
    x = 86,152.23

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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.