Home / 224,621.94-309,975.90-122,647.08

Finding the Fourth Proportional to 224,621.94, 309,975.90 and 122,647.08

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Solution

The fourth proportional to 224,621.94, 309,975.90 and 122,647.08 is: 169,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,621.94 : 309,975.90 = 122,647.08 : x
  2. Step 2: Convert to fraction form
    224,621.94/309,975.90 = 122,647.08/x
  3. Step 3: Cross multiply
    224,621.94x = 309,975.90 × 122,647.08
  4. Step 4: Simplify right side
    224,621.94x = 38,017,639,005.37
  5. Step 5: Solve for x
    x = 38,017,639,005.37/224,621.94
  6. Step 6: Final answer
    x = 169,251.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.