Home / 132,605.25-198,828.36-89,963.07

Finding the Fourth Proportional to 132,605.25, 198,828.36 and 89,963.07

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Solution

The fourth proportional to 132,605.25, 198,828.36 and 89,963.07 is: 134,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,605.25 : 198,828.36 = 89,963.07 : x
  2. Step 2: Convert to fraction form
    132,605.25/198,828.36 = 89,963.07/x
  3. Step 3: Cross multiply
    132,605.25x = 198,828.36 × 89,963.07
  4. Step 4: Simplify right side
    132,605.25x = 17,887,209,668.67
  5. Step 5: Solve for x
    x = 17,887,209,668.67/132,605.25
  6. Step 6: Final answer
    x = 134,890.66

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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.