Home / 192,130.31-288,232.22-73,792.35

Finding the Fourth Proportional to 192,130.31, 288,232.22 and 73,792.35

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Solution

The fourth proportional to 192,130.31, 288,232.22 and 73,792.35 is: 110,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,130.31 : 288,232.22 = 73,792.35 : x
  2. Step 2: Convert to fraction form
    192,130.31/288,232.22 = 73,792.35/x
  3. Step 3: Cross multiply
    192,130.31x = 288,232.22 × 73,792.35
  4. Step 4: Simplify right side
    192,130.31x = 21,269,333,044.00
  5. Step 5: Solve for x
    x = 21,269,333,044.00/192,130.31
  6. Step 6: Final answer
    x = 110,702.64

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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.