Home / 155,571.57-233,160.53-99,389.97

Finding the Fourth Proportional to 155,571.57, 233,160.53 and 99,389.97

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Solution

The fourth proportional to 155,571.57, 233,160.53 and 99,389.97 is: 148,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,571.57 : 233,160.53 = 99,389.97 : x
  2. Step 2: Convert to fraction form
    155,571.57/233,160.53 = 99,389.97/x
  3. Step 3: Cross multiply
    155,571.57x = 233,160.53 × 99,389.97
  4. Step 4: Simplify right side
    155,571.57x = 23,173,817,584.93
  5. Step 5: Solve for x
    x = 23,173,817,584.93/155,571.57
  6. Step 6: Final answer
    x = 148,959.21

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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.