Home / 372,056.50-558,084.78-109,400.50

Finding the Fourth Proportional to 372,056.50, 558,084.78 and 109,400.50

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Solution

The fourth proportional to 372,056.50, 558,084.78 and 109,400.50 is: 164,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,056.50 : 558,084.78 = 109,400.50 : x
  2. Step 2: Convert to fraction form
    372,056.50/558,084.78 = 109,400.50/x
  3. Step 3: Cross multiply
    372,056.50x = 558,084.78 × 109,400.50
  4. Step 4: Simplify right side
    372,056.50x = 61,054,753,974.39
  5. Step 5: Solve for x
    x = 61,054,753,974.39/372,056.50
  6. Step 6: Final answer
    x = 164,100.76

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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.