Home / 389,806.36-584,942.84-168,190.36

Finding the Fourth Proportional to 389,806.36, 584,942.84 and 168,190.36

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Solution

The fourth proportional to 389,806.36, 584,942.84 and 168,190.36 is: 252,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,806.36 : 584,942.84 = 168,190.36 : x
  2. Step 2: Convert to fraction form
    389,806.36/584,942.84 = 168,190.36/x
  3. Step 3: Cross multiply
    389,806.36x = 584,942.84 × 168,190.36
  4. Step 4: Simplify right side
    389,806.36x = 98,381,746,839.02
  5. Step 5: Solve for x
    x = 98,381,746,839.02/389,806.36
  6. Step 6: Final answer
    x = 252,386.20

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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.