Home / 192,127.20-287,823.60-103,351.20

Finding the Fourth Proportional to 192,127.20, 287,823.60 and 103,351.20

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Solution

The fourth proportional to 192,127.20, 287,823.60 and 103,351.20 is: 154,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,127.20 : 287,823.60 = 103,351.20 : x
  2. Step 2: Convert to fraction form
    192,127.20/287,823.60 = 103,351.20/x
  3. Step 3: Cross multiply
    192,127.20x = 287,823.60 × 103,351.20
  4. Step 4: Simplify right side
    192,127.20x = 29,746,914,448.32
  5. Step 5: Solve for x
    x = 29,746,914,448.32/192,127.20
  6. Step 6: Final answer
    x = 154,829.27

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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.