Home / 151,561.11-209,166.26-83,584.29

Finding the Fourth Proportional to 151,561.11, 209,166.26 and 83,584.29

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Solution

The fourth proportional to 151,561.11, 209,166.26 and 83,584.29 is: 115,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,561.11 : 209,166.26 = 83,584.29 : x
  2. Step 2: Convert to fraction form
    151,561.11/209,166.26 = 83,584.29/x
  3. Step 3: Cross multiply
    151,561.11x = 209,166.26 × 83,584.29
  4. Step 4: Simplify right side
    151,561.11x = 17,483,012,916.13
  5. Step 5: Solve for x
    x = 17,483,012,916.13/151,561.11
  6. Step 6: Final answer
    x = 115,352.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.