Home / 372,783.30-559,268.10-120,087.60

Finding the Fourth Proportional to 372,783.30, 559,268.10 and 120,087.60

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Solution

The fourth proportional to 372,783.30, 559,268.10 and 120,087.60 is: 180,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,783.30 : 559,268.10 = 120,087.60 : x
  2. Step 2: Convert to fraction form
    372,783.30/559,268.10 = 120,087.60/x
  3. Step 3: Cross multiply
    372,783.30x = 559,268.10 × 120,087.60
  4. Step 4: Simplify right side
    372,783.30x = 67,161,163,885.56
  5. Step 5: Solve for x
    x = 67,161,163,885.56/372,783.30
  6. Step 6: Final answer
    x = 180,161.41

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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.