Home / 372,179.05-558,271.95-105,939.46

Finding the Fourth Proportional to 372,179.05, 558,271.95 and 105,939.46

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Solution

The fourth proportional to 372,179.05, 558,271.95 and 105,939.46 is: 158,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,179.05 : 558,271.95 = 105,939.46 : x
  2. Step 2: Convert to fraction form
    372,179.05/558,271.95 = 105,939.46/x
  3. Step 3: Cross multiply
    372,179.05x = 558,271.95 × 105,939.46
  4. Step 4: Simplify right side
    372,179.05x = 59,143,028,916.15
  5. Step 5: Solve for x
    x = 59,143,028,916.15/372,179.05
  6. Step 6: Final answer
    x = 158,910.15

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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.