Home / 155,600.88-233,415.80-120,579.72

Finding the Fourth Proportional to 155,600.88, 233,415.80 and 120,579.72

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Solution

The fourth proportional to 155,600.88, 233,415.80 and 120,579.72 is: 180,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,600.88 : 233,415.80 = 120,579.72 : x
  2. Step 2: Convert to fraction form
    155,600.88/233,415.80 = 120,579.72/x
  3. Step 3: Cross multiply
    155,600.88x = 233,415.80 × 120,579.72
  4. Step 4: Simplify right side
    155,600.88x = 28,145,211,807.58
  5. Step 5: Solve for x
    x = 28,145,211,807.58/155,600.88
  6. Step 6: Final answer
    x = 180,880.80

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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.