Home / 155,735.50-233,632.41-72,629.50

Finding the Fourth Proportional to 155,735.50, 233,632.41 and 72,629.50

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Solution

The fourth proportional to 155,735.50, 233,632.41 and 72,629.50 is: 108,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,735.50 : 233,632.41 = 72,629.50 : x
  2. Step 2: Convert to fraction form
    155,735.50/233,632.41 = 72,629.50/x
  3. Step 3: Cross multiply
    155,735.50x = 233,632.41 × 72,629.50
  4. Step 4: Simplify right side
    155,735.50x = 16,968,605,122.10
  5. Step 5: Solve for x
    x = 16,968,605,122.10/155,735.50
  6. Step 6: Final answer
    x = 108,957.85

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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.