Home / 155,415.24-233,122.69-61,986.60

Finding the Fourth Proportional to 155,415.24, 233,122.69 and 61,986.60

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Solution

The fourth proportional to 155,415.24, 233,122.69 and 61,986.60 is: 92,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,415.24 : 233,122.69 = 61,986.60 : x
  2. Step 2: Convert to fraction form
    155,415.24/233,122.69 = 61,986.60/x
  3. Step 3: Cross multiply
    155,415.24x = 233,122.69 × 61,986.60
  4. Step 4: Simplify right side
    155,415.24x = 14,450,483,013.44
  5. Step 5: Solve for x
    x = 14,450,483,013.44/155,415.24
  6. Step 6: Final answer
    x = 92,979.83

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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.