Home / 132,321.36-198,515.48-57,423.30

Finding the Fourth Proportional to 132,321.36, 198,515.48 and 57,423.30

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Solution

The fourth proportional to 132,321.36, 198,515.48 and 57,423.30 is: 86,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,321.36 : 198,515.48 = 57,423.30 : x
  2. Step 2: Convert to fraction form
    132,321.36/198,515.48 = 57,423.30/x
  3. Step 3: Cross multiply
    132,321.36x = 198,515.48 × 57,423.30
  4. Step 4: Simplify right side
    132,321.36x = 11,399,412,931.13
  5. Step 5: Solve for x
    x = 11,399,412,931.13/132,321.36
  6. Step 6: Final answer
    x = 86,149.45

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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.