Home / 132,333.99-198,389.36-57,397.69

Finding the Fourth Proportional to 132,333.99, 198,389.36 and 57,397.69

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Solution

The fourth proportional to 132,333.99, 198,389.36 and 57,397.69 is: 86,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,333.99 : 198,389.36 = 57,397.69 : x
  2. Step 2: Convert to fraction form
    132,333.99/198,389.36 = 57,397.69/x
  3. Step 3: Cross multiply
    132,333.99x = 198,389.36 × 57,397.69
  4. Step 4: Simplify right side
    132,333.99x = 11,387,090,898.80
  5. Step 5: Solve for x
    x = 11,387,090,898.80/132,333.99
  6. Step 6: Final answer
    x = 86,048.12

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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.