Home / 372,927.12-559,016.15-120,021.76

Finding the Fourth Proportional to 372,927.12, 559,016.15 and 120,021.76

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Solution

The fourth proportional to 372,927.12, 559,016.15 and 120,021.76 is: 179,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,927.12 : 559,016.15 = 120,021.76 : x
  2. Step 2: Convert to fraction form
    372,927.12/559,016.15 = 120,021.76/x
  3. Step 3: Cross multiply
    372,927.12x = 559,016.15 × 120,021.76
  4. Step 4: Simplify right side
    372,927.12x = 67,094,102,191.42
  5. Step 5: Solve for x
    x = 67,094,102,191.42/372,927.12
  6. Step 6: Final answer
    x = 179,912.10

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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.